diff --git a/eslint.config.mjs b/eslint.config.mjs
index b47c158219..494c669bdc 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -361,16 +361,9 @@ export default tseslint.config(
             globals: {
                 lwcRuntimeFlags: true,
                 process: true,
-                TestUtils: true,
                 ...globals.browser,
-                ...globals.jasmine,
             },
         },
-
-        rules: {
-            'no-var': 'off',
-            'prefer-rest-params': 'off',
-        },
     },
     {
         files: ['packages/@lwc/integration-karma/**'],
@@ -385,11 +378,6 @@ export default tseslint.config(
                 ...globals.jasmine,
             },
         },
-
-        rules: {
-            'no-var': 'off',
-            'prefer-rest-params': 'off',
-        },
     },
     {
         files: ['packages/@lwc/synthetic-shadow/**'],
diff --git a/packages/@lwc/integration-karma/test-hydration/context/index.spec.js b/packages/@lwc/integration-karma/test-hydration/context/index.spec.js
index ed71537fac..4e8ffea3c7 100644
--- a/packages/@lwc/integration-karma/test-hydration/context/index.spec.js
+++ b/packages/@lwc/integration-karma/test-hydration/context/index.spec.js
@@ -1,12 +1,4 @@
 export default {
-    // server is expected to generate the same console error as the client
-    expectedSSRConsoleCalls: {
-        error: [],
-        warn: [
-            'Attempted to connect to trusted context but received the following error',
-            'Multiple contexts of the same variety were provided. Only the first context will be used.',
-        ],
-    },
     requiredFeatureFlags: ['ENABLE_EXPERIMENTAL_SIGNALS'],
     snapshot(target) {
         const grandparent = target.shadowRoot.querySelector('x-grandparent');
diff --git a/packages/@lwc/integration-karma/test/template-expressions/errors/x/throwDuringCallChild/throwDuringCallChild.html b/packages/@lwc/integration-karma/test/template-expressions/errors/x/throwDuringCallChild/throwDuringCallChild.html
index 0df4ddecff..863a84e5a9 100644
--- a/packages/@lwc/integration-karma/test/template-expressions/errors/x/throwDuringCallChild/throwDuringCallChild.html
+++ b/packages/@lwc/integration-karma/test/template-expressions/errors/x/throwDuringCallChild/throwDuringCallChild.html
@@ -1,3 +1,3 @@
 <template>
-    <div foo={runRunAsFastAsYouCan()}></div>
+    <div foo="{runRunAsFastAsYouCan()}"></div>
 </template>
\ No newline at end of file
diff --git a/packages/@lwc/integration-karma/test/template-expressions/errors/x/undefinedMemberExpressionObjChild/undefinedMemberExpressionObjChild.html b/packages/@lwc/integration-karma/test/template-expressions/errors/x/undefinedMemberExpressionObjChild/undefinedMemberExpressionObjChild.html
index b53700e8b4..555b5177c3 100644
--- a/packages/@lwc/integration-karma/test/template-expressions/errors/x/undefinedMemberExpressionObjChild/undefinedMemberExpressionObjChild.html
+++ b/packages/@lwc/integration-karma/test/template-expressions/errors/x/undefinedMemberExpressionObjChild/undefinedMemberExpressionObjChild.html
@@ -1,3 +1,3 @@
 <template>
-    <div foo={nonexistent.thing}></div>
+    <div foo="{nonexistent.thing}"></div>
 </template>
\ No newline at end of file
diff --git a/packages/@lwc/integration-karma/test/template-expressions/smoke-test/x/test/test.html b/packages/@lwc/integration-karma/test/template-expressions/smoke-test/x/test/test.html
index 7ec1c634d0..566bc15e1c 100644
--- a/packages/@lwc/integration-karma/test/template-expressions/smoke-test/x/test/test.html
+++ b/packages/@lwc/integration-karma/test/template-expressions/smoke-test/x/test/test.html
@@ -1,3 +1,3 @@
 <template>
-    <div foo={bar()}></div>
+    <div foo="{bar()}"></div>
 </template>
\ No newline at end of file
diff --git a/packages/@lwc/integration-not-karma/configs/base.js b/packages/@lwc/integration-not-karma/configs/base.js
index ea4e4459ff..57714539f4 100644
--- a/packages/@lwc/integration-not-karma/configs/base.js
+++ b/packages/@lwc/integration-not-karma/configs/base.js
@@ -1,6 +1,5 @@
 import { join } from 'node:path';
 import { LWC_VERSION } from '@lwc/shared';
-import { importMapsPlugin } from '@web/dev-server-import-maps';
 import * as options from '../helpers/options.js';
 
 const pluck = (obj, keys) => Object.fromEntries(keys.map((k) => [k, obj[k]]));
@@ -28,16 +27,15 @@ export default {
     // time out before they receive focus. But it also makes the full suite take 3x longer to run...
     // Potential workaround: https://github.com/modernweb-dev/web/issues/2588
     concurrency: 1,
-    filterBrowserLogs: () => false,
     nodeResolve: true,
     rootDir: join(import.meta.dirname, '..'),
+    staticLogging: true,
+    debug: true,
     plugins: [
-        importMapsPlugin({ inject: { importMap: { imports: { lwc: './mocks/lwc.js' } } } }),
         {
+            name: 'lwc-base-plugin',
             resolveImport({ source }) {
-                if (source === 'test-utils') {
-                    return '/helpers/utils.js';
-                } else if (source === 'wire-service') {
+                if (source === 'wire-service') {
                     // To serve files outside the web root (e.g. node_modules in the monorepo root),
                     // @web/dev-server provides this "magic" path. It's hacky of us to use it directly.
                     // `/__wds-outside-root__/${depth}/` === '../'.repeat(depth)
diff --git a/packages/@lwc/integration-not-karma/configs/integration.js b/packages/@lwc/integration-not-karma/configs/integration.js
index b49ae009e2..ccdecadb09 100644
--- a/packages/@lwc/integration-not-karma/configs/integration.js
+++ b/packages/@lwc/integration-not-karma/configs/integration.js
@@ -1,3 +1,4 @@
+import { importMapsPlugin } from '@web/dev-server-import-maps';
 import baseConfig from './base.js';
 import testPlugin from './plugins/serve-integration.js';
 
@@ -5,23 +6,13 @@ import testPlugin from './plugins/serve-integration.js';
 export default {
     ...baseConfig,
     files: [
-        // FIXME: These tests are just symlinks to integration-karma for now so the git diff smaller
-        'test/**/*.spec.js',
-
-        // Hacky nonsense highly tailored to Karma
-        '!test/custom-elements-registry/index.spec.js',
-
-        // Logging mismatches
-        '!test/component/LightningElement.addEventListener/index.spec.js',
-
-        // Implement objectContaining / arrayWithExactContents
-        '!test/profiler/mutation-logging/index.spec.js',
-
-        // Broken in CI?
-        '!test/lwc-on/index.spec.js',
-        '!test/api/sanitizeAttribute/index.spec.js',
-        '!test/template-expressions/errors/index.spec.js',
-        '!test/template-expressions/smoke-test/index.spec.js',
+        'test/lwc-on/index.spec.js',
+        'test/template-expressions/errors/index.spec.js',
+        'test/template-expressions/smoke-test/index.spec.js',
+    ],
+    plugins: [
+        ...baseConfig.plugins,
+        importMapsPlugin({ inject: { importMap: { imports: { lwc: './mocks/lwc.js' } } } }),
+        testPlugin,
     ],
-    plugins: [...baseConfig.plugins, testPlugin],
 };
diff --git a/packages/@lwc/integration-not-karma/configs/plugins/serve-hydration.js b/packages/@lwc/integration-not-karma/configs/plugins/serve-hydration.js
index 0ae204ef46..f994798524 100644
--- a/packages/@lwc/integration-not-karma/configs/plugins/serve-hydration.js
+++ b/packages/@lwc/integration-not-karma/configs/plugins/serve-hydration.js
@@ -18,9 +18,8 @@ lwcSsr.setHooks({
 });
 
 const ROOT_DIR = path.join(import.meta.dirname, '../..');
-
-let guid = 0;
-const COMPONENT_UNDER_TEST = 'main';
+const COMPONENT_NAME = 'x-main';
+const COMPONENT_ENTRYPOINT = 'x/main/main.js';
 
 // Like `fs.existsSync` but async
 async function exists(path) {
@@ -32,13 +31,14 @@ async function exists(path) {
     }
 }
 
-async function getCompiledModule(dir, compileForSSR) {
+async function compileModule(input, targetSSR, format) {
+    const modulesDir = path.join(ROOT_DIR, input.slice(0, -COMPONENT_ENTRYPOINT.length));
     const bundle = await rollup({
-        input: path.join(dir, 'x', COMPONENT_UNDER_TEST, `${COMPONENT_UNDER_TEST}.js`),
+        input,
         plugins: [
             lwcRollupPlugin({
-                targetSSR: !!compileForSSR,
-                modules: [{ dir: path.join(ROOT_DIR, dir) }],
+                targetSSR,
+                modules: [{ dir: modulesDir }],
                 experimentalDynamicComponent: {
                     loader: fileURLToPath(new URL('../../helpers/loader.js', import.meta.url)),
                     strict: true,
@@ -50,7 +50,7 @@ async function getCompiledModule(dir, compileForSSR) {
             }),
         ],
 
-        external: ['lwc', '@lwc/ssr-runtime', 'test-utils', '@test/loader'], // @todo: add ssr modules for test-utils and @test/loader
+        external: ['lwc', '@lwc/ssr-runtime'],
 
         onwarn(warning, warn) {
             // Ignore warnings from our own Rollup plugin
@@ -61,102 +61,49 @@ async function getCompiledModule(dir, compileForSSR) {
     });
 
     const { output } = await bundle.generate({
-        format: 'iife',
-        name: 'Main',
+        format,
+        name: 'Component',
         globals: {
             lwc: 'LWC',
             '@lwc/ssr-runtime': 'LWC',
-            'test-utils': 'TestUtils',
         },
     });
 
     return output[0].code;
 }
 
-function throwOnUnexpectedConsoleCalls(runnable, expectedConsoleCalls = {}) {
-    // The console is shared between the VM and the main realm. Here we ensure that known warnings
-    // are ignored and any others cause an explicit error.
-    const methods = ['error', 'warn', 'log', 'info'];
-    const originals = {};
-    for (const method of methods) {
-        // eslint-disable-next-line no-console
-        originals[method] = console[method];
-        // eslint-disable-next-line no-console
-        console[method] = function (error) {
-            if (
-                method === 'warn' &&
-                // This eslint warning is a false positive due to RegExp.prototype.test
-                // eslint-disable-next-line vitest/no-conditional-tests
-                /Cannot set property "(inner|outer)HTML"/.test(error?.message)
-            ) {
-                return;
-            } else if (
-                expectedConsoleCalls[method]?.some((matcher) => error.message.includes(matcher))
-            ) {
-                return;
-            }
-
-            throw new Error(`Unexpected console.${method} call: ${error}`);
-        };
-    }
-    try {
-        return runnable();
-    } finally {
-        Object.assign(console, originals);
-    }
-}
-
 /**
- * This is the function that takes SSR bundle code and test config, constructs a script that will
- * run in a separate JS runtime environment with its own global scope. The `context` object
- * (defined at the top of this file) is passed in as the global scope for that script. The script
- * runs, utilizing the `LWC` object that we've attached to the global scope, it sets a
- * new value (the rendered markup) to `globalThis.moduleOutput`, which corresponds to
- * `context.moduleOutput in this file's scope.
- *
- * So, script runs, generates markup, & we get that markup out and return it for use
- * in client-side tests.
+ * This function takes a path to a component definition and a config file and returns the
+ * SSR-generated markup for the component. It does so by compiling the component and then
+ * running a script in a separate JS runtime environment to render it.
  */
-async function getSsrCode(moduleCode, testConfig, filePath, expectedSSRConsoleCalls) {
+async function getSsrMarkup(componentEntrypoint, configPath) {
+    const componentIife = await compileModule(componentEntrypoint, !ENGINE_SERVER, 'iife');
+    // To minimize the amount of code in the generated script, ideally we'd do `import Component`
+    // and delegate the bundling to the loader. However, that's complicated to configure and using
+    // imports with vm.Script/vm.Module is still experimental, so we use an IIFE for simplicity.
+    // Additionally, we could import LWC, but the framework requires configuration before each test
+    // (setHooks/setFeatureFlagForTest), so instead we configure it once in the top-level context
+    // and inject it as a global variable.
     const script = new vm.Script(
-        `(() => {
-            ${testConfig}
-            ${moduleCode}
+        `(async () => {
+            const {default: config} = await import('./${configPath}');
+            ${componentIife /* var Component = ... */}
             return LWC.renderComponent(
-                'x-${COMPONENT_UNDER_TEST}-${guid++}',
-                Main,
+                '${COMPONENT_NAME}',
+                Component,
                 config.props || {},
                 false,
                 'sync'
             );
         })()`,
-        { filename: `[SSR] ${filePath}` }
+        {
+            filename: `[SSR] ${configPath}`,
+            importModuleDynamically: vm.constants.USE_MAIN_CONTEXT_DEFAULT_LOADER,
+        }
     );
 
-    return throwOnUnexpectedConsoleCalls(
-        () => script.runInContext(vm.createContext({ LWC: lwcSsr })),
-        expectedSSRConsoleCalls
-    );
-}
-
-async function getTestConfig(input) {
-    const bundle = await rollup({
-        input,
-        external: ['lwc', 'test-utils', '@test/loader'],
-    });
-
-    const { output } = await bundle.generate({
-        format: 'iife',
-        globals: {
-            lwc: 'LWC',
-            'test-utils': 'TestUtils',
-        },
-        name: 'config',
-    });
-
-    const { code } = output[0];
-
-    return code;
+    return await script.runInContext(vm.createContext({ LWC: lwcSsr }));
 }
 
 async function existsUp(dir, file) {
@@ -172,45 +119,32 @@ async function existsUp(dir, file) {
  * Hydration test `index.spec.js` files are actually config files, not spec files.
  * This function wraps those configs in the test code to be executed.
  */
-async function wrapHydrationTest(filePath) {
-    const {
-        default: { expectedSSRConsoleCalls, requiredFeatureFlags },
-    } = await import(path.join(ROOT_DIR, filePath));
+async function wrapHydrationTest(configPath) {
+    const { default: config } = await import(path.join(ROOT_DIR, configPath));
 
     try {
-        requiredFeatureFlags?.forEach((featureFlag) => {
+        config.requiredFeatureFlags?.forEach((featureFlag) => {
             lwcSsr.setFeatureFlagForTest(featureFlag, true);
         });
 
-        const suiteDir = path.dirname(filePath);
-        // You can add an `.only` file alongside an `index.spec.js` file to make it `fdescribe()`
+        const suiteDir = path.dirname(configPath);
+        const componentEntrypoint = path.join(suiteDir, COMPONENT_ENTRYPOINT);
+        // You can add an `.only` file alongside an `index.spec.js` file to make the test focused
         const onlyFileExists = await existsUp(suiteDir, '.only');
+        const ssrOutput = await getSsrMarkup(componentEntrypoint, configPath);
 
-        const componentDefCSR = await getCompiledModule(suiteDir, false);
-        const componentDefSSR = ENGINE_SERVER
-            ? componentDefCSR
-            : await getCompiledModule(suiteDir, true);
-        const ssrOutput = await getSsrCode(
-            componentDefSSR,
-            await getTestConfig(filePath),
-            filePath,
-            expectedSSRConsoleCalls
-        );
-
-        // FIXME: can we turn these IIFEs into ESM imports?
         return `
         import * as LWC from 'lwc';
-        import { runTest } from '/helpers/test-hydrate.js';
-        import config from '/${filePath}?original=1';
-        ${onlyFileExists ? 'it.only' : 'it'}('${filePath}', async () => {
-            const ssrRendered = ${JSON.stringify(ssrOutput) /* escape quotes */};
-            // Component code, IIFE set as Main
-            ${componentDefCSR};
-            return await runTest(ssrRendered, Main, config);
-        });
+        import { runTest } from '/configs/plugins/test-hydration.js';
+        runTest(
+            '/${configPath}?original=1',
+            '/${componentEntrypoint}',
+            ${JSON.stringify(ssrOutput) /* escape quotes */},
+            ${onlyFileExists}
+        );
         `;
     } finally {
-        requiredFeatureFlags?.forEach((featureFlag) => {
+        config.requiredFeatureFlags?.forEach((featureFlag) => {
             lwcSsr.setFeatureFlagForTest(featureFlag, false);
         });
     }
@@ -218,6 +152,7 @@ async function wrapHydrationTest(filePath) {
 
 /** @type {import('@web/dev-server-core').Plugin} */
 export default {
+    name: 'lwc-hydration-plugin',
     async serve(ctx) {
         // Hydration test "index.spec.js" files are actually just config files.
         // They don't directly define the tests. Instead, when we request the file,
@@ -226,6 +161,8 @@ export default {
         // to return the file unmodified.
         if (ctx.path.endsWith('.spec.js') && !ctx.query.original) {
             return await wrapHydrationTest(ctx.path.slice(1)); // remove leading /
+        } else if (ctx.path.endsWith('/' + COMPONENT_ENTRYPOINT)) {
+            return await compileModule(ctx.path.slice(1) /* remove leading / */, false, 'esm');
         }
     },
 };
diff --git a/packages/@lwc/integration-not-karma/configs/plugins/serve-integration.js b/packages/@lwc/integration-not-karma/configs/plugins/serve-integration.js
index fdac34287f..3864925f65 100644
--- a/packages/@lwc/integration-not-karma/configs/plugins/serve-integration.js
+++ b/packages/@lwc/integration-not-karma/configs/plugins/serve-integration.js
@@ -84,12 +84,9 @@ const transform = async (ctx) => {
         cache,
         plugins: [customLwcRollupPlugin],
 
-        // Rollup should not attempt to resolve the engine and the test utils, Karma takes care of injecting it
-        // globally in the page before running the tests.
         external: [
             'lwc',
             'wire-service',
-            '@test/loader',
             // Some helper files export functions that mutate a global state. The setup file calls
             // some of those functions and does not get bundled. Including the helper files in the
             // bundle would create a separate global state, causing tests to fail. We don't need to
@@ -119,6 +116,7 @@ const transform = async (ctx) => {
 
 /** @type {import('@web/dev-server-core').Plugin} */
 export default {
+    name: 'lwc-integration-plugin',
     async serve(ctx) {
         if (ctx.path.endsWith('.spec.js')) {
             return await transform(ctx);
diff --git a/packages/@lwc/integration-not-karma/configs/plugins/test-hydration.js b/packages/@lwc/integration-not-karma/configs/plugins/test-hydration.js
new file mode 100644
index 0000000000..96d0371034
--- /dev/null
+++ b/packages/@lwc/integration-not-karma/configs/plugins/test-hydration.js
@@ -0,0 +1,77 @@
+import * as LWC from 'lwc';
+import { spyConsole } from '../../helpers/console';
+import { setHooks } from '../../helpers/hooks';
+
+setHooks({ sanitizeHtmlContent: (content) => content });
+
+function parseStringToDom(html) {
+    return Document.parseHTMLUnsafe(html).body.firstChild;
+}
+
+function appendTestTarget(ssrText) {
+    const div = document.createElement('div');
+    const testTarget = parseStringToDom(ssrText);
+    div.appendChild(testTarget);
+    document.body.appendChild(div);
+    return div;
+}
+
+function setFeatureFlags(requiredFeatureFlags, value) {
+    requiredFeatureFlags?.forEach((featureFlag) => {
+        LWC.setFeatureFlagForTest(featureFlag, value);
+    });
+}
+
+// Must be sync to properly register tests; async behavior can happen in before/after blocks
+export function runTest(configPath, componentPath, ssrRendered, focused) {
+    const test = focused ? it.only : it;
+    const description = new URL(configPath, location.href).pathname;
+    let consoleSpy;
+    let testConfig;
+    let Component;
+
+    beforeAll(async () => {
+        testConfig = await import(configPath);
+        Component = await import(componentPath);
+        setFeatureFlags(testConfig.requiredFeatureFlags, true);
+    });
+
+    beforeEach(async () => {
+        consoleSpy = spyConsole();
+    });
+
+    afterEach(() => {
+        consoleSpy.reset();
+    });
+
+    afterAll(() => {
+        setFeatureFlags(testConfig.requiredFeatureFlags, false);
+    });
+
+    test(description, async () => {
+        const container = appendTestTarget(ssrRendered);
+        const selector = container.firstChild.tagName.toLowerCase();
+        let target = container.querySelector(selector);
+
+        if (testConfig.test) {
+            const snapshot = testConfig.snapshot ? testConfig.snapshot(target) : {};
+
+            const props = testConfig.props || {};
+            const clientProps = testConfig.clientProps || props;
+
+            LWC.hydrateComponent(target, Component, clientProps);
+
+            // let's select again the target, it should be the same elements as in the snapshot
+            target = container.querySelector(selector);
+            await testConfig.test(target, snapshot, consoleSpy.calls);
+        } else if (testConfig.advancedTest) {
+            await testConfig.advancedTest(target, {
+                Component,
+                hydrateComponent: LWC.hydrateComponent.bind(LWC),
+                consoleSpy,
+                container,
+                selector,
+            });
+        }
+    });
+}
diff --git a/packages/@lwc/integration-not-karma/helpers/jasmine.js b/packages/@lwc/integration-not-karma/helpers/jasmine.js
new file mode 100644
index 0000000000..8a459204af
--- /dev/null
+++ b/packages/@lwc/integration-not-karma/helpers/jasmine.js
@@ -0,0 +1,37 @@
+import { spyOn, fn } from '@vitest/spy';
+
+/**
+ * Adds the jasmine interfaces we use in the Karma tests to a Vitest spy.
+ * Should ultimately be removed and tests updated to use Vitest spies.
+ * @param {import('@vitest/spy').MockInstance}
+ */
+function jasmineSpyAdapter(spy) {
+    Object.defineProperties(spy, {
+        and: { get: () => spy },
+        calls: { get: () => spy.mock.calls },
+        returnValue: { value: () => spy.mockReturnValue() },
+        // calling mockImplementation() with nothing restores the original
+        callThrough: { value: () => spy.mockImplementation() },
+        callFake: { value: (impl) => spy.mockImplementation(impl) },
+    });
+
+    Object.defineProperties(spy.mock.calls, {
+        // Must be non-enumerable for equality checks to work on array literal expected values
+        allArgs: { value: () => spy.mock.calls },
+        count: { value: () => spy.mock.calls.length },
+        reset: { value: () => spy.mockReset() },
+        argsFor: { value: (index) => spy.mock.calls.at(index) },
+    });
+
+    return spy;
+}
+
+export const jasmineSpyOn = (object, prop) => jasmineSpyAdapter(spyOn(object, prop));
+export const jasmine = {
+    any: expect.any,
+    arrayWithExactContents: () => {
+        throw new Error('TODO: jasmine.arrayWithExactContents');
+    },
+    createSpy: (name, impl) => jasmineSpyAdapter(fn(impl)),
+    objectContaining: expect.objectContaining,
+};
diff --git a/packages/@lwc/integration-not-karma/helpers/reporting-control.js b/packages/@lwc/integration-not-karma/helpers/reporting-control.js
new file mode 100644
index 0000000000..390b2b6679
--- /dev/null
+++ b/packages/@lwc/integration-not-karma/helpers/reporting-control.js
@@ -0,0 +1,18 @@
+import { __unstable__ReportingControl } from 'lwc';
+
+/**
+ *
+ * @param dispatcher
+ * @param runtimeEvents List of runtime events to filter by. If no list is provided, all events will be dispatched.
+ */
+export function attachReportingControlDispatcher(dispatcher, runtimeEvents) {
+    __unstable__ReportingControl.attachDispatcher((eventName, payload) => {
+        if (!runtimeEvents || runtimeEvents.includes(eventName)) {
+            dispatcher(eventName, payload);
+        }
+    });
+}
+
+export function detachReportingControlDispatcher() {
+    __unstable__ReportingControl.detachDispatcher();
+}
diff --git a/packages/@lwc/integration-not-karma/helpers/setup.js b/packages/@lwc/integration-not-karma/helpers/setup.js
index 07f7f27d89..691332359c 100644
--- a/packages/@lwc/integration-not-karma/helpers/setup.js
+++ b/packages/@lwc/integration-not-karma/helpers/setup.js
@@ -1,17 +1,11 @@
 // This import ensures that the global `Mocha` object is present for mutation.
 import { JestAsymmetricMatchers, JestChaiExpect, JestExtend } from '@vitest/expect';
 import * as chai from 'chai';
-import { spyOn, fn } from '@vitest/spy';
 import { registerCustomMatchers } from './matchers/index.js';
-import * as TestUtils from './utils.js';
 import { initSignals } from './signals.js';
 
 initSignals();
 
-// FIXME: As a relic of the Karma tests, some test files rely on the global object,
-// rather than importing from `test-utils`.
-window.TestUtils = TestUtils;
-
 // allows using expect.extend instead of chai.use to extend plugins
 chai.use(JestExtend);
 // adds all jest matchers to expect
@@ -20,44 +14,8 @@ chai.use(JestChaiExpect);
 chai.use(JestAsymmetricMatchers);
 // add our custom matchers
 chai.use(registerCustomMatchers);
-
-/**
- * Adds the jasmine interfaces we use in the Karma tests to a Vitest spy.
- * Should ultimately be removed and tests updated to use Vitest spies.
- * @param {import('@vitest/spy').MockInstance}
- */
-function jasmineSpyAdapter(spy) {
-    Object.defineProperties(spy, {
-        and: { get: () => spy },
-        calls: { get: () => spy.mock.calls },
-        returnValue: { value: () => spy.mockReturnValue() },
-        // calling mockImplementation() with nothing restores the original
-        callThrough: { value: () => spy.mockImplementation() },
-        callFake: { value: (impl) => spy.mockImplementation(impl) },
-    });
-
-    Object.defineProperties(spy.mock.calls, {
-        // Must be non-enumerable for equality checks to work on array literal expected values
-        allArgs: { value: () => spy.mock.calls },
-        count: { value: () => spy.mock.calls.length },
-        reset: { value: () => spy.mockReset() },
-        argsFor: { value: (index) => spy.mock.calls.at(index) },
-    });
-
-    return spy;
-}
-
 // expose so we don't need to import `expect` in every test file
 globalThis.expect = chai.expect;
-globalThis.spyOn = (object, prop) => jasmineSpyAdapter(spyOn(object, prop));
-globalThis.jasmine = {
-    any: expect.any,
-    arrayWithExactContents: () => {
-        throw new Error('TODO: jasmine.arrayWithExactContents');
-    },
-    createSpy: (name, impl) => jasmineSpyAdapter(fn(impl)),
-    objectContaining: expect.objectContaining,
-};
 
 /**
  * `@web/test-runner-mocha`'s autorun.js file inlines its own copy of mocha, and there's no direct
diff --git a/packages/@lwc/integration-not-karma/helpers/test-hydrate.js b/packages/@lwc/integration-not-karma/helpers/test-hydrate.js
deleted file mode 100644
index 95c8823860..0000000000
--- a/packages/@lwc/integration-not-karma/helpers/test-hydrate.js
+++ /dev/null
@@ -1,60 +0,0 @@
-import * as LWC from 'lwc';
-import { spyConsole } from './console';
-import { setHooks } from './hooks';
-
-setHooks({ sanitizeHtmlContent: (content) => content });
-
-function parseStringToDom(html) {
-    return Document.parseHTMLUnsafe(html).body.firstChild;
-}
-
-function appendTestTarget(ssrText) {
-    const div = document.createElement('div');
-    const testTarget = parseStringToDom(ssrText);
-    div.appendChild(testTarget);
-    document.body.appendChild(div);
-    return div;
-}
-
-function setFeatureFlags(requiredFeatureFlags, value) {
-    requiredFeatureFlags?.forEach((featureFlag) => {
-        LWC.setFeatureFlagForTest(featureFlag, value);
-    });
-}
-
-async function runTest(ssrRendered, Component, testConfig) {
-    const container = appendTestTarget(ssrRendered);
-    const selector = container.firstChild.tagName.toLowerCase();
-    let target = container.querySelector(selector);
-
-    let testResult;
-    const consoleSpy = spyConsole();
-    setFeatureFlags(testConfig.requiredFeatureFlags, true);
-
-    if (testConfig.test) {
-        const snapshot = testConfig.snapshot ? testConfig.snapshot(target) : {};
-
-        const props = testConfig.props || {};
-        const clientProps = testConfig.clientProps || props;
-
-        LWC.hydrateComponent(target, Component, clientProps);
-
-        // let's select again the target, it should be the same elements as in the snapshot
-        target = container.querySelector(selector);
-        testResult = await testConfig.test(target, snapshot, consoleSpy.calls);
-    } else if (testConfig.advancedTest) {
-        testResult = await testConfig.advancedTest(target, {
-            Component,
-            hydrateComponent: LWC.hydrateComponent.bind(LWC),
-            consoleSpy,
-            container,
-            selector,
-        });
-    }
-
-    consoleSpy.reset();
-
-    return testResult;
-}
-
-export { runTest };
diff --git a/packages/@lwc/integration-not-karma/helpers/utils.js b/packages/@lwc/integration-not-karma/helpers/utils.js
index 21abab22ca..ef6fde2c77 100644
--- a/packages/@lwc/integration-not-karma/helpers/utils.js
+++ b/packages/@lwc/integration-not-karma/helpers/utils.js
@@ -1,7 +1,6 @@
 /*
  * An as yet uncategorized mishmash of helpers, relics of Karma
  */
-import { __unstable__ReportingControl } from 'lwc';
 
 // Listen for errors thrown directly by the callback
 function directErrorListener(callback) {
@@ -47,23 +46,6 @@ export function customElementCallbackReactionErrorListener(callback) {
         : windowErrorListener(callback);
 }
 
-/**
- *
- * @param dispatcher
- * @param runtimeEvents List of runtime events to filter by. If no list is provided, all events will be dispatched.
- */
-export function attachReportingControlDispatcher(dispatcher, runtimeEvents) {
-    __unstable__ReportingControl.attachDispatcher((eventName, payload) => {
-        if (!runtimeEvents || runtimeEvents.includes(eventName)) {
-            dispatcher(eventName, payload);
-        }
-    });
-}
-
-export function detachReportingControlDispatcher() {
-    __unstable__ReportingControl.detachDispatcher();
-}
-
 export function extractDataIds(root) {
     const nodes = {};
 
diff --git a/packages/@lwc/integration-not-karma/package.json b/packages/@lwc/integration-not-karma/package.json
index 2618714eab..fb25ede17b 100644
--- a/packages/@lwc/integration-not-karma/package.json
+++ b/packages/@lwc/integration-not-karma/package.json
@@ -16,6 +16,7 @@
         "@lwc/synthetic-shadow": "8.22.1",
         "@types/chai": "^5.2.2",
         "@types/jasmine": "^5.1.9",
+        "@vitest/spy": "^3.2.4",
         "@web/dev-server-import-maps": "^0.2.1",
         "@web/dev-server-rollup": "^0.6.4",
         "@web/test-runner": "^0.20.2",
diff --git a/packages/@lwc/integration-not-karma/test-hydration/attributes/falsy-mismatch/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/attributes/falsy-mismatch/index.spec.js
index fc730181aa..7fe011220f 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/attributes/falsy-mismatch/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/attributes/falsy-mismatch/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../helpers/utils.js';
+
 export default {
     props: {
         isFalse: false,
@@ -28,7 +30,7 @@ export default {
             expect(divs[i].getAttribute('data-foo')).toEqual(expectedAttrValues[i]);
         }
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <div> - rendered on server: data-foo=null - expected on client: data-foo="undefined"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/context/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/context/index.spec.js
index ed71537fac..572e73f46d 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/context/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/context/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCalls } from '../../helpers/utils.js';
+
 export default {
     // server is expected to generate the same console error as the client
     expectedSSRConsoleCalls: {
@@ -40,7 +42,7 @@ export default {
         // Expect an error as one context was generated twice.
         // Expect an error as one context was malformed (did not define connectContext or disconnectContext methods).
         // Expect server/client context output parity (no hydration warnings)
-        TestUtils.expectConsoleCalls(consoleCalls, {
+        expectConsoleCalls(consoleCalls, {
             error: [],
             warn: [
                 'Attempted to connect to trusted context but received the following error',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/errors/already-hydrated/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/errors/already-hydrated/index.spec.js
index 251c761b6e..63eb4fdac4 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/errors/already-hydrated/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/errors/already-hydrated/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCalls } from '../../../helpers/utils.js';
+
 export default {
     advancedTest(target, { Component, hydrateComponent, consoleSpy }) {
         hydrateComponent(target, Component, {});
@@ -6,7 +8,7 @@ export default {
 
         const consoleCalls = consoleSpy.calls;
 
-        TestUtils.expectConsoleCalls(consoleCalls, {
+        expectConsoleCalls(consoleCalls, {
             warn: ['"hydrateComponent" expects an element that is not hydrated.'],
         });
     },
diff --git a/packages/@lwc/integration-not-karma/test-hydration/inner-outer-html/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/inner-outer-html/index.spec.js
index 4d584c357a..3ae85ba4db 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/inner-outer-html/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/inner-outer-html/index.spec.js
@@ -1,7 +1,9 @@
+import { extractDataIds } from '../../helpers/utils.js';
+
 export default {
     props: {},
     advancedTest(target, { consoleSpy }) {
-        const ids = Object.entries(TestUtils.extractDataIds(target)).filter(
+        const ids = Object.entries(extractDataIds(target)).filter(
             ([id]) => !id.endsWith('.shadowRoot')
         );
         for (const [id, node] of ids) {
diff --git a/packages/@lwc/integration-not-karma/test-hydration/light-dom/scoped-styles/deduped-scoped-styles/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/light-dom/scoped-styles/deduped-scoped-styles/index.spec.js
index 84218066a9..c2aad762a0 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/light-dom/scoped-styles/deduped-scoped-styles/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/light-dom/scoped-styles/deduped-scoped-styles/index.spec.js
@@ -1,7 +1,9 @@
+import { expectConsoleCalls } from '../../../../helpers/utils.js';
+
 export default {
     test(target, snapshot, consoleCalls) {
         // W-19087941: Expect no errors or warnings, hydration or otherwise
-        TestUtils.expectConsoleCalls(consoleCalls, {
+        expectConsoleCalls(consoleCalls, {
             error: [],
             warn: [],
         });
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/attrs-compatibility/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/attrs-compatibility/index.spec.js
index e59544e875..144234c381 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/attrs-compatibility/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/attrs-compatibility/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../helpers/utils.js';
+
 export default {
     props: {
         ssr: true,
@@ -18,7 +20,7 @@ export default {
         expect(p.getAttribute('data-same')).toBe('same-value');
         expect(p.getAttribute('data-another-diff')).toBe('client-val');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: title="ssr-title" - expected on client: title="client-title"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/attrs-expression/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/attrs-expression/index.spec.js
index 00585b1f87..d1de3fb3a4 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/attrs-expression/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/attrs-expression/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../helpers/utils.js';
+
 export default {
     props: {
         foo: 'server',
@@ -17,7 +19,7 @@ export default {
         expect(div.getAttribute('data-foo')).toBe('client');
         expect(div.getAttribute('data-static')).toBe('same-value');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <div> - rendered on server: data-foo="server" - expected on client: data-foo="client"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-different/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-different/index.spec.js
index 57e77fa42c..9f30773d04 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-different/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-different/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {
         classes: 'c1 c2 c3',
@@ -18,7 +20,7 @@ export default {
         expect(p).not.toBe(snapshots.p);
         expect(p.className).not.toBe(snapshots.classes);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: class="c1 c2 c3" - expected on client: class="c2 c3 c4"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-empty-in-ssr-null-string-in-client/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-empty-in-ssr-null-string-in-client/index.spec.js
index d9662f2dd1..d314088097 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-empty-in-ssr-null-string-in-client/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-empty-in-ssr-null-string-in-client/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 // SSR has no class at all, whereas the client has `class="null"`.
 // This is to test if hydration is smart enough to recognize the difference between a null
 // attribute and the literal string "null".
@@ -21,7 +23,7 @@ export default {
         expect(p).not.toBe(snapshots.p);
         expect(p.className).not.toBe(snapshots.className);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: class="" - expected on client: class="null"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-null-string-in-ssr-empty-in-client/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-null-string-in-ssr-empty-in-client/index.spec.js
index ba5521c8b8..65b3eb3256 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-null-string-in-ssr-empty-in-client/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-null-string-in-ssr-empty-in-client/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 // SSR has `class="null"`, whereas the client has no class at all.
 // This is to test if hydration is smart enough to recognize the difference between a null
 // attribute and the literal string "null".
@@ -21,7 +23,7 @@ export default {
         expect(p).not.toBe(snapshots.p);
         expect(p.className).not.toBe(snapshots.className);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: class="null" - expected on client: class=""',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-same-different-order-does-not-throw/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-same-different-order-does-not-throw/index.spec.js
index d60cecb71e..56d60f9fc7 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-same-different-order-does-not-throw/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/dynamic-same-different-order-does-not-throw/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {
         classes: 'c1 c2 c3',
@@ -18,7 +20,7 @@ export default {
         expect(p).toBe(snapshots.p);
         expect(p.className).toBe(snapshots.classes);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [],
         });
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/empty-string-on-client-nonempty-on-server/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/empty-string-on-client-nonempty-on-server/index.spec.js
index 06fa19d842..238a20847b 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/empty-string-on-client-nonempty-on-server/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/empty-string-on-client-nonempty-on-server/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {
         classes: 'yolo',
@@ -17,7 +19,7 @@ export default {
         expect(p).not.toBe(snapshots.p);
         expect(p.className).toBe('');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: class="yolo" - expected on client: class=""',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/empty-string-on-server-nonempty-on-client/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/empty-string-on-server-nonempty-on-client/index.spec.js
index cf15d194a8..ca71555d77 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/empty-string-on-server-nonempty-on-client/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/empty-string-on-server-nonempty-on-client/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {
         classes: '',
@@ -17,7 +19,7 @@ export default {
         expect(p).not.toBe(snapshots.p);
         expect(p.className).toBe('yolo');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: class="" - expected on client: class="yolo"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/empty-string/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/empty-string/index.spec.js
index 6766da610d..b986510723 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/empty-string/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/empty-string/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {
         classes: '',
@@ -14,7 +16,7 @@ export default {
         expect(p).toBe(snapshots.p);
         expect(p.className).toBe(snapshots.classes);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [],
         });
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/extra-class-from-client/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/extra-class-from-client/index.spec.js
index c212253276..300c373aae 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/extra-class-from-client/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/extra-class-from-client/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {
         ssr: true,
@@ -19,7 +21,7 @@ export default {
         expect(p.className).not.toBe(snapshots.classes);
         expect(p.className).toBe('c1 c2 c3');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: class="c1 c3" - expected on client: class="c1 c2 c3"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/extra-class-from-server/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/extra-class-from-server/index.spec.js
index 8a4869acb9..7bec4446a3 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/extra-class-from-server/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/extra-class-from-server/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {
         ssr: true,
@@ -19,7 +21,7 @@ export default {
         expect(p.className).not.toBe(snapshots.classes);
         expect(p.className).toBe('c1 c3');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: class="c1 c2 c3" - expected on client: class="c1 c3"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/only-present-in-ssr/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/only-present-in-ssr/index.spec.js
index 6915109a14..366280e61f 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/only-present-in-ssr/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/only-present-in-ssr/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     advancedTest(target, { Component, hydrateComponent, consoleSpy }) {
         // This simulates a condition where the server-rendered markup has
@@ -11,7 +13,7 @@ export default {
         hydrateComponent(target, Component, {});
 
         const consoleCalls = consoleSpy.calls;
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <x-child> - rendered on server: class="foo" - expected on client: class=""',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/same-different-order/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/same-different-order/index.spec.js
index ea7c87d29f..920742d515 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/same-different-order/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/class-attr/same-different-order/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {
         ssr: true,
@@ -25,7 +27,7 @@ export default {
             expect(p).not.toBe(snapshots.p);
             expect(p.className).toBe('c1 c2 c3');
 
-            TestUtils.expectConsoleCallsDev(consoleCalls, {
+            expectConsoleCallsDev(consoleCalls, {
                 error: [],
                 warn: [
                     'Hydration attribute mismatch on: <p> - rendered on server: class="c3 c2 c1" - expected on client: class="c1 c2 c3"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/comment-instead-of-text/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/comment-instead-of-text/index.spec.js
index dfc078cd9f..2c2b60f320 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/comment-instead-of-text/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/comment-instead-of-text/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../helpers/utils.js';
+
 export default {
     props: {
         showAsText: true,
@@ -17,7 +19,7 @@ export default {
         expect(comment.nodeType).toBe(Node.COMMENT_NODE);
         expect(comment.nodeValue).toBe(snapshots.text.nodeValue);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration node mismatch on: #comment - rendered on server: #text - expected on client: #comment',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/different-lwc-inner-html/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/different-lwc-inner-html/index.spec.js
index 461ce34b5a..ef8ecc792e 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/different-lwc-inner-html/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/different-lwc-inner-html/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../helpers/utils.js';
+
 export default {
     props: {
         content: '<p>test-content</p>',
@@ -21,7 +23,7 @@ export default {
         expect(p).not.toBe(snapshot.p);
         expect(p.textContent).toBe('different-content');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration innerHTML mismatch on: <div> - rendered on server: <p>test-content</p> - expected on client: <p>different-content</p>',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/display-errors-attrs-class-style/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/display-errors-attrs-class-style/index.spec.js
index 13167f0a20..1d39e94e19 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/display-errors-attrs-class-style/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/display-errors-attrs-class-style/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../helpers/utils.js';
+
 export default {
     props: {
         classes: 'ssr-class',
@@ -23,7 +25,7 @@ export default {
         expect(p.getAttribute('style')).toBe('background-color: blue;');
         expect(p.getAttribute('data-attrs')).toBe('client-attrs');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: data-attrs="ssr-attrs" - expected on client: data-attrs="client-attrs"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/dynamic-component/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/dynamic-component/index.spec.js
index 658111cb33..74ddba5889 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/dynamic-component/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/dynamic-component/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../helpers/utils.js';
+
 export default {
     props: {
         ctor: 'server',
@@ -17,7 +19,7 @@ export default {
         // Client side constructor
         expect(target.shadowRoot.querySelector('x-client')).not.toBeNull();
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration node mismatch on: <x-client> - rendered on server: <x-server> - expected on client: <x-client>',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/element-instead-of-textNode/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/element-instead-of-textNode/index.spec.js
index 4e928f311c..bd82a6efb4 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/element-instead-of-textNode/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/element-instead-of-textNode/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../helpers/utils.js';
+
 export default {
     props: {
         showAsText: false,
@@ -19,7 +21,7 @@ export default {
 
         expect(text.nodeType).toBe(Node.TEXT_NODE);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration node mismatch on: #text - rendered on server: <span> - expected on client: #text',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/favors-client-side-comment/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/favors-client-side-comment/index.spec.js
index f875575bfd..a83893a26d 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/favors-client-side-comment/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/favors-client-side-comment/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../helpers/utils.js';
+
 export default {
     props: {
         showFirstComment: true,
@@ -18,7 +20,7 @@ export default {
         expect(comment.nodeValue).not.toBe(snapshots.commentText);
         expect(comment.nodeValue).toBe('second');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration comment mismatch on: #comment - rendered on server: first - expected on client: second',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/favors-client-side-text/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/favors-client-side-text/index.spec.js
index 188978106f..1a8e675d19 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/favors-client-side-text/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/favors-client-side-text/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../helpers/utils.js';
+
 export default {
     props: {
         greeting: 'hello!',
@@ -18,14 +20,14 @@ export default {
         expect(p.firstChild).toBe(snapshots.text);
         expect(p.textContent).toBe('bye!');
         if (process.env.DISABLE_STATIC_CONTENT_OPTIMIZATION) {
-            TestUtils.expectConsoleCallsDev(consoleCalls, {
+            expectConsoleCallsDev(consoleCalls, {
                 error: [],
                 warn: [
                     'Hydration text content mismatch on: #text - rendered on server: hello! - expected on client: bye!',
                 ],
             });
         } else {
-            TestUtils.expectConsoleCallsDev(consoleCalls, {
+            expectConsoleCallsDev(consoleCalls, {
                 error: [],
                 warn: [
                     'Hydration text content mismatch on: <p> - rendered on server: hello! - expected on client: bye!',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/attr-mutated-class-mismatch/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/attr-mutated-class-mismatch/index.spec.js
index 63d8c26a72..1ecc068a05 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/attr-mutated-class-mismatch/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/attr-mutated-class-mismatch/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {
         ssr: true,
@@ -24,7 +26,7 @@ export default {
         expect(child.getAttribute('data-mutatis')).toBe('mutandis');
         expect(child.getAttribute('class')).toBe('is-client');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <x-child> - rendered on server: class="is-server" - expected on client: class="is-client"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/attr/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/attr/index.spec.js
index 00065f381a..d59747490a 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/attr/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/attr/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {},
     snapshot(target) {
@@ -14,7 +16,7 @@ export default {
         expect(child.getAttribute('data-foo')).toBe('bar');
         expect(child.getAttribute('data-mutatis')).toBe('mutandis');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             warn: [],
             error: [],
         });
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/class-mutated-attr-mismatch/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/class-mutated-attr-mismatch/index.spec.js
index a63010e4d2..2ceea2c5b7 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/class-mutated-attr-mismatch/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/class-mutated-attr-mismatch/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {
         ssr: true,
@@ -23,7 +25,7 @@ export default {
         expect(child.getAttribute('class')).toBe('static mutatis');
         expect(child.getAttribute('data-mismatched-attr')).toBe('is-client');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <x-child> - rendered on server: data-mismatched-attr="is-server" - expected on client: data-mismatched-attr="is-client"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/class/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/class/index.spec.js
index 2804139cdb..3124ee87e7 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/class/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/class/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {},
     snapshot(target) {
@@ -14,7 +16,7 @@ export default {
             'static mutatis'
         );
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             warn: [],
             error: [],
         });
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/style/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/style/index.spec.js
index eeb6a10ceb..e2c187c30d 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/style/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/host-mutation-in-connected-callback/style/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {},
     snapshot(target) {
@@ -12,7 +14,7 @@ export default {
         expect(snapshotAfterHydration.div).toBe(snapshots.div);
         expect(target.shadowRoot.querySelector('x-child').style.color).toBe('blue');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             warn: [],
             error: [],
         });
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/invalid-number-of-nodes/foreach/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/invalid-number-of-nodes/foreach/index.spec.js
index ebd16f0595..04b4d610c9 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/invalid-number-of-nodes/foreach/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/invalid-number-of-nodes/foreach/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {
         colors: ['red', 'blue', 'green'],
@@ -15,7 +17,7 @@ export default {
 
         expect(hydratedSnapshot.text).not.toBe(snapshots.text);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration child node mismatch on: <ul> - rendered on server: <li>,<li>,<li> - expected on client: <li>,<li>',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/invalid-number-of-nodes/if-true/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/invalid-number-of-nodes/if-true/index.spec.js
index 14632e1b57..12d190bc15 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/invalid-number-of-nodes/if-true/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/invalid-number-of-nodes/if-true/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {
         showBlue: true,
@@ -16,7 +18,7 @@ export default {
         expect(hydratedSnapshot.text).not.toBe(snapshots.text);
 
         if (process.env.DISABLE_STATIC_CONTENT_OPTIMIZATION) {
-            TestUtils.expectConsoleCallsDev(consoleCalls, {
+            expectConsoleCallsDev(consoleCalls, {
                 error: [],
                 warn: [
                     'Hydration text content mismatch on: #text - rendered on server: blue - expected on client: green',
@@ -25,7 +27,7 @@ export default {
                 ],
             });
         } else {
-            TestUtils.expectConsoleCallsDev(consoleCalls, {
+            expectConsoleCallsDev(consoleCalls, {
                 error: [],
                 warn: [
                     'Hydration child node mismatch on: <ul> - rendered on server: <li>,<li>,<li> - expected on client: <li>,,<li>',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/sibling-issue/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/sibling-issue/index.spec.js
index 7c3c8d9ff3..4dceba963c 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/sibling-issue/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/sibling-issue/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../helpers/utils.js';
+
 export default {
     props: {
         showMe: false,
@@ -16,7 +18,7 @@ export default {
         expect(snapshots.div).toBeNull();
         expect(div).toBeDefined();
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration child node mismatch on: #document-fragment - rendered on server:  - expected on client: #comment',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/different-priority/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/different-priority/index.spec.js
index 117ea9bf41..4e0aa56496 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/different-priority/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/different-priority/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     props: {
         dynamicStyle: 'background-color: red; border-color: red;',
@@ -21,7 +23,7 @@ export default {
             'background-color: red; border-color: red !important;'
         );
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: style="background-color: red; border-color: red;" - expected on client: style="background-color: red; border-color: red !important;"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/extra-from-client/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/extra-from-client/index.spec.js
index 5d843688be..8520604f94 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/extra-from-client/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/extra-from-client/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     props: {
         dynamicStyle: 'background-color: red; border-color: red;',
@@ -21,7 +23,7 @@ export default {
             'background-color: red; border-color: red; margin: 1px;'
         );
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: style="background-color: red; border-color: red;" - expected on client: style="background-color: red; border-color: red; margin: 1px;"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/extra-from-server/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/extra-from-server/index.spec.js
index ca92f666fe..bdf60b7c45 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/extra-from-server/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/extra-from-server/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     props: {
         dynamicStyle: 'background-color: red; border-color: red; margin: 1px;',
@@ -19,7 +21,7 @@ export default {
         expect(p.getAttribute('style')).not.toBe(snapshots.style);
         expect(p.getAttribute('style')).toBe('background-color: red; border-color: red;');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: style="background-color: red; border-color: red; margin: 1px;" - expected on client: style="background-color: red; border-color: red;"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/same-different-order/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/same-different-order/index.spec.js
index a9f3d09d8a..40786d91c2 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/same-different-order/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/computed/same-different-order/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     props: {
         dynamicStyle: 'background-color: red; border-color: red; margin: 1px;',
@@ -20,7 +22,7 @@ export default {
             'margin: 1px; border-color: red; background-color: red;'
         );
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: style="background-color: red; border-color: red; margin: 1px;" - expected on client: style="margin: 1px; border-color: red; background-color: red;"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/empty-string/empty-on-client-nonempty-on-server/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/empty-string/empty-on-client-nonempty-on-server/index.spec.js
index 6648a2a90a..6ccc8fb235 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/empty-string/empty-on-client-nonempty-on-server/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/empty-string/empty-on-client-nonempty-on-server/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     props: {
         styles: 'color: burlywood;',
@@ -17,7 +19,7 @@ export default {
         expect(p).not.toBe(snapshots.p);
         expect(p.getAttribute('style')).toBe(null);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: style="color: burlywood;" - expected on client: style=""',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/empty-string/empty-on-server-nonempty-on-client/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/empty-string/empty-on-server-nonempty-on-client/index.spec.js
index aca494470d..745cffe63d 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/empty-string/empty-on-server-nonempty-on-client/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/empty-string/empty-on-server-nonempty-on-client/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     props: {
         styles: '',
@@ -17,7 +19,7 @@ export default {
         expect(p).not.toBe(snapshots.p);
         expect(p.getAttribute('style')).toBe('color: burlywood;');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: style="" - expected on client: style="color: burlywood;"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/different-priority/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/different-priority/index.spec.js
index 80b6824fc4..8566cc6778 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/different-priority/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/different-priority/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     props: {
         ssr: true,
@@ -21,7 +23,7 @@ export default {
             'background-color: red; border-color: red !important;'
         );
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: style="background-color: red; border-color: red;" - expected on client: style="background-color: red; border-color: red !important;"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/extra-from-client/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/extra-from-client/index.spec.js
index 89f82ca68a..fb56c341e9 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/extra-from-client/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/extra-from-client/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     props: {
         ssr: true,
@@ -21,7 +23,7 @@ export default {
             'background-color: red; border-color: red; margin: 1px;'
         );
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: style="background-color: red; border-color: red;" - expected on client: style="background-color: red; border-color: red; margin: 1px;"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/extra-from-server/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/extra-from-server/index.spec.js
index f8bf2b3f88..6d4cb3bedf 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/extra-from-server/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/extra-from-server/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     props: {
         ssr: true,
@@ -19,7 +21,7 @@ export default {
         expect(p.getAttribute('style')).not.toBe(snapshots.style);
         expect(p.getAttribute('style')).toBe('background-color: red; border-color: red;');
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <p> - rendered on server: style="background-color: red; border-color: red; margin: 1px;" - expected on client: style="background-color: red; border-color: red;"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/same-different-order/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/same-different-order/index.spec.js
index 6c8fa727f2..4f60a1854d 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/same-different-order/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/style-attr/static/same-different-order/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     props: {
         ssr: true,
@@ -27,7 +29,7 @@ export default {
                 'margin: 1px; border-color: red; background-color: red;'
             );
 
-            TestUtils.expectConsoleCallsDev(consoleCalls, {
+            expectConsoleCallsDev(consoleCalls, {
                 error: [],
                 warn: [
                     'Hydration attribute mismatch on: <p> - rendered on server: style="background-color: red; border-color: red; margin: 1px;" - expected on client: style="margin: 1px; border-color: red; background-color: red;"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/text-instead-of-comment/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/text-instead-of-comment/index.spec.js
index ff771b9486..5067cbd985 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/text-instead-of-comment/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/text-instead-of-comment/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../helpers/utils.js';
+
 export default {
     props: {
         showAsText: false,
@@ -17,7 +19,7 @@ export default {
         expect(text.nodeType).toBe(Node.TEXT_NODE);
         expect(text.nodeValue).toBe(snapshots.comment.nodeValue);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration node mismatch on: #text - rendered on server: #comment - expected on client: #text',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/textNode-instead-of-element/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/textNode-instead-of-element/index.spec.js
index 677f8106d9..0fa8c76759 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/textNode-instead-of-element/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/textNode-instead-of-element/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../helpers/utils.js';
+
 export default {
     props: {
         showAsText: true,
@@ -19,7 +21,7 @@ export default {
 
         expect(text.nodeType).toBe(Node.ELEMENT_NODE);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration node mismatch on: <span> - rendered on server: #text - expected on client: <span>',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/mutate-in-connected-and-render/no-opt-out/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/mutate-in-connected-and-render/no-opt-out/index.spec.js
index c7de6e2d5f..26b5a4cfaf 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/mutate-in-connected-and-render/no-opt-out/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/mutate-in-connected-and-render/no-opt-out/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     snapshot(target) {
         return {
@@ -8,7 +10,7 @@ export default {
         const hydratedSnapshot = this.snapshot(target);
         expect(hydratedSnapshot.child).not.toBe(snapshots.child);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <x-child> - rendered on server: data-mutate-during-render="true" - expected on client: data-mutate-during-render="false"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/mutate-in-connected-and-render/opt-out-wrong-array/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/mutate-in-connected-and-render/opt-out-wrong-array/index.spec.js
index c7de6e2d5f..26b5a4cfaf 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/mutate-in-connected-and-render/opt-out-wrong-array/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/mutate-in-connected-and-render/opt-out-wrong-array/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     snapshot(target) {
         return {
@@ -8,7 +10,7 @@ export default {
         const hydratedSnapshot = this.snapshot(target);
         expect(hydratedSnapshot.child).not.toBe(snapshots.child);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <x-child> - rendered on server: data-mutate-during-render="true" - expected on client: data-mutate-during-render="false"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/number-of-child-els/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/number-of-child-els/index.spec.js
index f849298def..28a27b49db 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/number-of-child-els/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/number-of-child-els/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../helpers/utils.js';
+
 export default {
     props: {
         isServer: true,
@@ -14,7 +16,7 @@ export default {
         const hydratedSnapshot = this.snapshot(target);
         expect(hydratedSnapshot.childMarkup).not.toBe(snapshots.childMarkup);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration child node mismatch on: <x-child> - rendered on server: <div> - expected on client: <div>,<div>',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-array-of-non-strings/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-array-of-non-strings/index.spec.js
index 78fdd35939..39ae491fdd 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-array-of-non-strings/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-array-of-non-strings/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     snapshot(target) {
         return {
@@ -8,7 +10,7 @@ export default {
         const hydratedSnapshot = this.snapshot(target);
         expect(hydratedSnapshot.child).toBe(snapshots.child);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             warn: [
                 '`validationOptOut` must be `true` or an array of attributes that should not be validated.',
             ],
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-false/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-false/index.spec.js
index 78fdd35939..39ae491fdd 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-false/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-false/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     snapshot(target) {
         return {
@@ -8,7 +10,7 @@ export default {
         const hydratedSnapshot = this.snapshot(target);
         expect(hydratedSnapshot.child).toBe(snapshots.child);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             warn: [
                 '`validationOptOut` must be `true` or an array of attributes that should not be validated.',
             ],
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-non-array/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-non-array/index.spec.js
index 78fdd35939..39ae491fdd 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-non-array/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-non-array/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     snapshot(target) {
         return {
@@ -8,7 +10,7 @@ export default {
         const hydratedSnapshot = this.snapshot(target);
         expect(hydratedSnapshot.child).toBe(snapshots.child);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             warn: [
                 '`validationOptOut` must be `true` or an array of attributes that should not be validated.',
             ],
diff --git a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-null/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-null/index.spec.js
index 78fdd35939..39ae491fdd 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-null/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/mismatches/with-validation-opt-out/warnings/opt-out-null/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../helpers/utils.js';
+
 export default {
     snapshot(target) {
         return {
@@ -8,7 +10,7 @@ export default {
         const hydratedSnapshot = this.snapshot(target);
         expect(hydratedSnapshot.child).toBe(snapshots.child);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             warn: [
                 '`validationOptOut` must be `true` or an array of attributes that should not be validated.',
             ],
diff --git a/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/extra-class-in-client/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/extra-class-in-client/index.spec.js
index f716daa1a0..65e4bdee63 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/extra-class-in-client/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/extra-class-in-client/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../../helpers/utils.js';
+
 export default {
     props: {
         clazz: '',
@@ -18,7 +20,7 @@ export default {
         expect(child).not.toBe(snapshots.child);
         expect(h1).not.toBe(snapshots.h1);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <x-child> - rendered on server: class="" - expected on client: class="foo"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/extra-class-in-server/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/extra-class-in-server/index.spec.js
index 2a3a0fdc62..fca2e74f7e 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/extra-class-in-server/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/extra-class-in-server/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../../helpers/utils.js';
+
 export default {
     props: {
         clazz: 'foo',
@@ -18,7 +20,7 @@ export default {
         expect(child).not.toBe(snapshots.child);
         expect(h1).not.toBe(snapshots.h1);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <x-child> - rendered on server: class="foo" - expected on client: class=""',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/wrong-scoped-template/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/wrong-scoped-template/index.spec.js
index 648071b0ac..73d6350229 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/wrong-scoped-template/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/wrong-scoped-template/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../../helpers/utils.js';
+
 export default {
     props: {
         showA: false,
@@ -25,7 +27,7 @@ export default {
             getComputedStyle(child).getPropertyValue('--from-template').trim().replace(/"/g, "'")
         ).toBe("'a'");
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <style> - rendered on server: class="lwc-3hsmkt14797" - expected on client: class="lwc-2fs4h5b0o15"',
diff --git a/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/wrong-single-class/index.spec.js b/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/wrong-single-class/index.spec.js
index e4e545a749..234ac4ba68 100644
--- a/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/wrong-single-class/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test-hydration/stylesheet/host-scope-token/dynamic-render/mismatches/wrong-single-class/index.spec.js
@@ -1,3 +1,5 @@
+import { expectConsoleCallsDev } from '../../../../../../helpers/utils.js';
+
 export default {
     props: {
         clazz: 'foo',
@@ -18,7 +20,7 @@ export default {
         expect(child).not.toBe(snapshots.child);
         expect(h1).not.toBe(snapshots.h1);
 
-        TestUtils.expectConsoleCallsDev(consoleCalls, {
+        expectConsoleCallsDev(consoleCalls, {
             error: [],
             warn: [
                 'Hydration attribute mismatch on: <x-child> - rendered on server: class="foo" - expected on client: class="bar"',
diff --git a/packages/@lwc/integration-not-karma/test/accessibility/non-standard-aria-props/index.spec.js b/packages/@lwc/integration-not-karma/test/accessibility/non-standard-aria-props/index.spec.js
index 78a91b36b0..34fda932a0 100644
--- a/packages/@lwc/integration-not-karma/test/accessibility/non-standard-aria-props/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/accessibility/non-standard-aria-props/index.spec.js
@@ -1,11 +1,12 @@
 import { createElement } from 'lwc';
 import Light from 'x/light';
 import Shadow from 'x/shadow';
+import { jasmine } from '../../../helpers/jasmine.js';
 import { nonStandardAriaProperties } from '../../../helpers/aria.js';
 import {
     attachReportingControlDispatcher,
     detachReportingControlDispatcher,
-} from '../../../helpers/utils.js';
+} from '../../../helpers/reporting-control.js';
 
 // This test only works if the ARIA reflection polyfill is loaded
 describe.runIf(process.env.ENABLE_ARIA_REFLECTION_GLOBAL_POLYFILL)(
diff --git a/packages/@lwc/integration-not-karma/test/accessibility/synthetic-cross-root-aria/index.spec.js b/packages/@lwc/integration-not-karma/test/accessibility/synthetic-cross-root-aria/index.spec.js
index 62dfe7b28b..4a0935b845 100644
--- a/packages/@lwc/integration-not-karma/test/accessibility/synthetic-cross-root-aria/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/accessibility/synthetic-cross-root-aria/index.spec.js
@@ -2,10 +2,11 @@ import { createElement } from 'lwc';
 
 import AriaContainer from 'x/ariaContainer';
 import Valid from 'x/valid';
+import { jasmine } from '../../../helpers/jasmine.js';
 import {
     attachReportingControlDispatcher,
     detachReportingControlDispatcher,
-} from '../../../helpers/utils.js';
+} from '../../../helpers/reporting-control.js';
 
 const expectedMessageForCrossRoot =
     'Error: [LWC warn]: Element <input> uses attribute "aria-labelledby" to reference element <label>, which is not in the same shadow root. This will break in native shadow DOM. For details, see: https://sfdc.co/synthetic-aria\n<x-aria-source>';
diff --git a/packages/@lwc/integration-not-karma/test/api/freezeTemplate/index.spec.js b/packages/@lwc/integration-not-karma/test/api/freezeTemplate/index.spec.js
index ee604f8644..823823a51e 100644
--- a/packages/@lwc/integration-not-karma/test/api/freezeTemplate/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/api/freezeTemplate/index.spec.js
@@ -1,9 +1,10 @@
 import { registerTemplate, freezeTemplate, setFeatureFlagForTest } from 'lwc';
+import { jasmine } from '../../../helpers/jasmine.js';
 
 import {
     attachReportingControlDispatcher,
     detachReportingControlDispatcher,
-} from '../../../helpers/utils.js';
+} from '../../../helpers/reporting-control.js';
 
 describe('freezeTemplate', () => {
     let dispatcher;
diff --git a/packages/@lwc/integration-not-karma/test/api/getComponentDef/index.spec.js b/packages/@lwc/integration-not-karma/test/api/getComponentDef/index.spec.js
index 918284e89f..c26276bc35 100644
--- a/packages/@lwc/integration-not-karma/test/api/getComponentDef/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/api/getComponentDef/index.spec.js
@@ -7,6 +7,7 @@ import PublicPropertiesInheritance from 'x/publicPropertiesInheritance';
 import PublicMethodsInheritance from 'x/publicMethodsInheritance';
 import PrivateAccessors from 'x/privateAccessors';
 import HtmlElementProps from 'x/htmlElementProps';
+import { jasmine } from '../../../helpers/jasmine.js';
 import { ariaProperties } from '../../../helpers/aria.js';
 
 function testInvalidComponentConstructor(name, ctor) {
diff --git a/packages/@lwc/integration-not-karma/test/api/isNodeFromTemplate/index.spec.js b/packages/@lwc/integration-not-karma/test/api/isNodeFromTemplate/index.spec.js
index d71e8cfe10..4032f417ee 100644
--- a/packages/@lwc/integration-not-karma/test/api/isNodeFromTemplate/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/api/isNodeFromTemplate/index.spec.js
@@ -1,5 +1,6 @@
 import { createElement, isNodeFromTemplate } from 'lwc';
 import Test from 'x/test';
+import { jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 
 function testNonNodes(type, obj) {
     it(`should return false if the passed object if a ${type}`, () => {
diff --git a/packages/@lwc/integration-not-karma/test/api/sanitizeHtmlContent/index.spec.js b/packages/@lwc/integration-not-karma/test/api/sanitizeHtmlContent/index.spec.js
index e8d5c3dccd..c6e340db30 100644
--- a/packages/@lwc/integration-not-karma/test/api/sanitizeHtmlContent/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/api/sanitizeHtmlContent/index.spec.js
@@ -1,5 +1,6 @@
 import { createElement } from 'lwc';
 import XInnerHtml from 'x/innerHtml';
+import { jasmine } from '../../../helpers/jasmine.js';
 import { getHooks, setHooks } from '../../../helpers/hooks.js';
 
 const ACTUAL_CONTENT = 'Hello <b>World</b>';
diff --git a/packages/@lwc/integration-not-karma/test/component/LightningElement.disconnectedCallback/index.spec.js b/packages/@lwc/integration-not-karma/test/component/LightningElement.disconnectedCallback/index.spec.js
index 21a6b1ee51..2b6f4d1fbb 100644
--- a/packages/@lwc/integration-not-karma/test/component/LightningElement.disconnectedCallback/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/component/LightningElement.disconnectedCallback/index.spec.js
@@ -5,6 +5,7 @@ import Test from 'x/test';
 import DisconnectedCallbackThrow from 'x/disconnectedCallbackThrow';
 import DualTemplate from 'x/dualTemplate';
 import ExplicitRender from 'x/explicitRender';
+import { jasmine } from '../../../helpers/jasmine.js';
 import { customElementCallbackReactionErrorListener } from '../../../helpers/utils.js';
 
 function testDisconnectSlot(name, fn) {
diff --git a/packages/@lwc/integration-not-karma/test/component/native-vs-synthetic-lifecycle/index.spec.js b/packages/@lwc/integration-not-karma/test/component/native-vs-synthetic-lifecycle/index.spec.js
index d5de11dd7a..4a7eadfbd3 100644
--- a/packages/@lwc/integration-not-karma/test/component/native-vs-synthetic-lifecycle/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/component/native-vs-synthetic-lifecycle/index.spec.js
@@ -3,10 +3,11 @@ import { createElement, setFeatureFlagForTest } from 'lwc';
 import Component from 'x/component';
 import Parent from 'x/parent';
 import LogsWhenConnected from 'x/logsWhenConnected';
+import { jasmine, jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 import {
     attachReportingControlDispatcher,
     detachReportingControlDispatcher,
-} from '../../../helpers/utils.js';
+} from '../../../helpers/reporting-control.js';
 
 let logger;
 let dispatcher;
diff --git a/packages/@lwc/integration-not-karma/test/context/simple-context.spec.js b/packages/@lwc/integration-not-karma/test/context/simple-context.spec.js
index 3f1cabd92d..f6024e130a 100644
--- a/packages/@lwc/integration-not-karma/test/context/simple-context.spec.js
+++ b/packages/@lwc/integration-not-karma/test/context/simple-context.spec.js
@@ -1,6 +1,7 @@
 import { createElement } from 'lwc';
 import { installCustomContext, setCustomContext } from 'x/simpleProvider';
 import Consumer from 'x/simpleConsumer';
+import { jasmine } from '../../helpers/jasmine.js';
 
 describe('Simple Custom Context Provider', () => {
     it('should be install-able on any dom element', function () {
diff --git a/packages/@lwc/integration-not-karma/test/integrations/locker/index.spec.js b/packages/@lwc/integration-not-karma/test/integrations/locker/index.spec.js
index e1da1fd055..68b104c04c 100644
--- a/packages/@lwc/integration-not-karma/test/integrations/locker/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/integrations/locker/index.spec.js
@@ -3,6 +3,7 @@ import { createElement, setFeatureFlagForTest } from 'lwc';
 import LockerIntegration from 'x/lockerIntegration';
 import LockerLiveComponent from 'x/lockerLiveComponent';
 import LockerHooks, { hooks } from 'x/lockerHooks';
+import { jasmine, jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 beforeEach(() => {
     setFeatureFlagForTest('LEGACY_LOCKER_ENABLED', true);
 });
diff --git a/packages/@lwc/integration-not-karma/test/light-dom/scoped-slot/if-block/index.spec.js b/packages/@lwc/integration-not-karma/test/light-dom/scoped-slot/if-block/index.spec.js
index 5193e49572..89a1c6c364 100644
--- a/packages/@lwc/integration-not-karma/test/light-dom/scoped-slot/if-block/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/light-dom/scoped-slot/if-block/index.spec.js
@@ -1,5 +1,6 @@
 import { createElement } from 'lwc';
 import MixedSlotParent from 'x/mixedSlotParent';
+import { jasmineSpyOn as spyOn } from '../../../../helpers/jasmine.js';
 import { USE_COMMENTS_FOR_FRAGMENT_BOOKENDS } from '../../../../helpers/constants.js';
 
 const vFragBookend = USE_COMMENTS_FOR_FRAGMENT_BOOKENDS ? '<!---->' : '';
diff --git a/packages/@lwc/integration-not-karma/test/lwc-on/index.spec.js b/packages/@lwc/integration-not-karma/test/lwc-on/index.spec.js
index b8b53f34b1..d62d43e081 100644
--- a/packages/@lwc/integration-not-karma/test/lwc-on/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/lwc-on/index.spec.js
@@ -10,7 +10,8 @@ import Rerender from 'x/rerender';
 import RerenderLoop from 'x/rerenderLoop';
 import PublicProp from 'x/publicProp';
 import ComputedKey from 'x/computedKey';
-import ValueEvaluationThrows from 'x/ValueEvaluationThrows';
+import ValueEvaluationThrows from 'x/valueEvaluationThrows';
+import { jasmine } from '../../helpers/jasmine.js';
 import { spyConsole } from '../../helpers/console.js';
 import { catchUnhandledRejectionsAndErrors } from '../../helpers/utils.js';
 
diff --git a/packages/@lwc/integration-not-karma/test/misc/lifecycle-remove-disconnected/lifecycle-remove-disconnected.spec.js b/packages/@lwc/integration-not-karma/test/misc/lifecycle-remove-disconnected/lifecycle-remove-disconnected.spec.js
index 1b322755d8..2903426bd9 100644
--- a/packages/@lwc/integration-not-karma/test/misc/lifecycle-remove-disconnected/lifecycle-remove-disconnected.spec.js
+++ b/packages/@lwc/integration-not-karma/test/misc/lifecycle-remove-disconnected/lifecycle-remove-disconnected.spec.js
@@ -1,5 +1,6 @@
 import { createElement } from 'lwc';
 import Parent from 'x/parent';
+import { jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 
 describe('vdom removes component while it is already disconnected', () => {
     let spy;
diff --git a/packages/@lwc/integration-not-karma/test/mixed-shadow-mode/composed-path/index.spec.js b/packages/@lwc/integration-not-karma/test/mixed-shadow-mode/composed-path/index.spec.js
index 3f7d0f6eea..5cc04ab176 100644
--- a/packages/@lwc/integration-not-karma/test/mixed-shadow-mode/composed-path/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/mixed-shadow-mode/composed-path/index.spec.js
@@ -1,5 +1,6 @@
 import { createElement } from 'lwc';
 import Test from 'x/test';
+import { jasmine } from '../../../helpers/jasmine.js';
 
 describe('event.composedPath() of event dispatched from closed shadow root', () => {
     it('should have shadowed elements when invoked inside the shadow root', () => {
diff --git a/packages/@lwc/integration-not-karma/test/mixed-shadow-mode/reporting/index.spec.js b/packages/@lwc/integration-not-karma/test/mixed-shadow-mode/reporting/index.spec.js
index a8ebaf3dea..c3142c5006 100644
--- a/packages/@lwc/integration-not-karma/test/mixed-shadow-mode/reporting/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/mixed-shadow-mode/reporting/index.spec.js
@@ -3,10 +3,11 @@ import { createElement } from 'lwc';
 import Component from 'x/component';
 import Parent from 'x/parent';
 import Light from 'x/light';
+import { jasmine } from '../../../helpers/jasmine.js';
 import {
     attachReportingControlDispatcher,
     detachReportingControlDispatcher,
-} from '../../../helpers/utils.js';
+} from '../../../helpers/reporting-control.js';
 
 // Should be kept in sync with the enum in vm.ts
 const ShadowMode = {
diff --git a/packages/@lwc/integration-not-karma/test/mixed-shadow-mode/shadowSupportModeReporting/index.spec.js b/packages/@lwc/integration-not-karma/test/mixed-shadow-mode/shadowSupportModeReporting/index.spec.js
index e0e5d25957..58e51b8808 100644
--- a/packages/@lwc/integration-not-karma/test/mixed-shadow-mode/shadowSupportModeReporting/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/mixed-shadow-mode/shadowSupportModeReporting/index.spec.js
@@ -4,10 +4,11 @@ import Any from 'x/any';
 import Reset from 'x/reset';
 import None from 'x/none';
 import NativeOnly from 'x/native';
+import { jasmine } from '../../../helpers/jasmine.js';
 import {
     attachReportingControlDispatcher,
     detachReportingControlDispatcher,
-} from '../../../helpers/utils.js';
+} from '../../../helpers/reporting-control.js';
 
 /**
  * These tests must be the first ones to generate the component def for the components they use.
diff --git a/packages/@lwc/integration-not-karma/test/polyfills/aria-properties/index.spec.js b/packages/@lwc/integration-not-karma/test/polyfills/aria-properties/index.spec.js
index d034ae035e..36ec7201e5 100644
--- a/packages/@lwc/integration-not-karma/test/polyfills/aria-properties/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/polyfills/aria-properties/index.spec.js
@@ -1,6 +1,7 @@
 import { createElement } from 'lwc';
 
 import Component from 'x/component';
+import { jasmine } from '../../../helpers/jasmine.js';
 import {
     ariaPropertiesMapping,
     nonPolyfilledAriaProperties,
@@ -9,7 +10,7 @@ import {
 import {
     attachReportingControlDispatcher,
     detachReportingControlDispatcher,
-} from '../../../helpers/utils.js';
+} from '../../../helpers/reporting-control.js';
 
 function testAriaProperty(property, attribute, suite = describe) {
     suite(property, () => {
diff --git a/packages/@lwc/integration-not-karma/test/polyfills/document-properties/index.spec.js b/packages/@lwc/integration-not-karma/test/polyfills/document-properties/index.spec.js
index b9f63f5458..70c43dd65b 100644
--- a/packages/@lwc/integration-not-karma/test/polyfills/document-properties/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/polyfills/document-properties/index.spec.js
@@ -1,6 +1,7 @@
 import { createElement } from 'lwc';
 import XTest from 'x/test';
 import XWithLwcDomManual from 'x/withLwcDomManual';
+import { jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 
 describe('should not provide access to elements inside shadow tree', () => {
     beforeEach(() => {
diff --git a/packages/@lwc/integration-not-karma/test/profiler/mutation-logging/index.spec.js b/packages/@lwc/integration-not-karma/test/profiler/mutation-logging/index.spec.js
index 9bacd0d3a8..f183bd9da2 100644
--- a/packages/@lwc/integration-not-karma/test/profiler/mutation-logging/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/profiler/mutation-logging/index.spec.js
@@ -2,6 +2,7 @@ import { createElement } from 'lwc';
 import Parent from 'x/parent';
 import Child from 'x/child';
 import GetterThrows from 'x/getterThrows';
+import { jasmine, jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 
 const arr = jasmine.arrayWithExactContents;
 // `jasmine.objectContaining` is long, but the method can't be detached/aliased, ergo wrapper
diff --git a/packages/@lwc/integration-not-karma/test/rendering/iframe/index.spec.js b/packages/@lwc/integration-not-karma/test/rendering/iframe/index.spec.js
index a72f3183f4..076144a21a 100644
--- a/packages/@lwc/integration-not-karma/test/rendering/iframe/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/rendering/iframe/index.spec.js
@@ -1,5 +1,6 @@
 import { createElement } from 'lwc';
 import Component from 'x/component';
+import { jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 
 let spy;
 
diff --git a/packages/@lwc/integration-not-karma/test/rendering/inner-outer-html/index.spec.js b/packages/@lwc/integration-not-karma/test/rendering/inner-outer-html/index.spec.js
index 633d63ac95..ef5e90ac84 100644
--- a/packages/@lwc/integration-not-karma/test/rendering/inner-outer-html/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/rendering/inner-outer-html/index.spec.js
@@ -1,6 +1,7 @@
 import { createElement } from 'lwc';
 import Inner from 'x/inner';
 import Outer from 'x/outer';
+import { jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 import { extractDataIds } from '../../../helpers/utils.js';
 
 beforeAll(() => {
diff --git a/packages/@lwc/integration-not-karma/test/rendering/sanitize-stylesheet-token/index.spec.js b/packages/@lwc/integration-not-karma/test/rendering/sanitize-stylesheet-token/index.spec.js
index 99661be5a1..e526d22614 100644
--- a/packages/@lwc/integration-not-karma/test/rendering/sanitize-stylesheet-token/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/rendering/sanitize-stylesheet-token/index.spec.js
@@ -1,6 +1,7 @@
 import { createElement, setFeatureFlagForTest } from 'lwc';
 import Component from 'x/component';
 import Scoping from 'x/scoping';
+import { jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 import { catchUnhandledRejectionsAndErrors } from '../../../helpers/utils.js';
 
 let caughtError;
diff --git a/packages/@lwc/integration-not-karma/test/rendering/version-mismatch/index.spec.js b/packages/@lwc/integration-not-karma/test/rendering/version-mismatch/index.spec.js
index fab876beaf..53bf003e58 100644
--- a/packages/@lwc/integration-not-karma/test/rendering/version-mismatch/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/rendering/version-mismatch/index.spec.js
@@ -3,10 +3,11 @@ import { createElement, LightningElement, registerTemplate, registerComponent }
 import Component from 'x/component';
 import ComponentWithProp from 'x/componentWithProp';
 import ComponentWithTemplateAndStylesheet from 'x/componentWithTemplateAndStylesheet';
+import { jasmine } from '../../../helpers/jasmine.js';
 import {
     attachReportingControlDispatcher,
     detachReportingControlDispatcher,
-} from '../../../helpers/utils.js';
+} from '../../../helpers/reporting-control.js';
 
 describe('compiler version mismatch', () => {
     describe('stamped with version number', () => {
diff --git a/packages/@lwc/integration-not-karma/test/shadow-dom/Element-properties/index.spec.js b/packages/@lwc/integration-not-karma/test/shadow-dom/Element-properties/index.spec.js
index c97e5dca36..3eee9c3f54 100644
--- a/packages/@lwc/integration-not-karma/test/shadow-dom/Element-properties/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/shadow-dom/Element-properties/index.spec.js
@@ -4,6 +4,7 @@ import Slotted from 'x/slotted';
 import Nested from 'x/nested';
 import NestedFallback from 'x/nestedFallback';
 import TestWithDiv from 'x/testWithDiv';
+import { jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 
 describe('Element.querySelector', () => {
     it('should return null if no Element match', () => {
diff --git a/packages/@lwc/integration-not-karma/test/shadow-dom/Event-properties/Event.target.spec.js b/packages/@lwc/integration-not-karma/test/shadow-dom/Event-properties/Event.target.spec.js
index cb552eb02f..023017fc3b 100644
--- a/packages/@lwc/integration-not-karma/test/shadow-dom/Event-properties/Event.target.spec.js
+++ b/packages/@lwc/integration-not-karma/test/shadow-dom/Event-properties/Event.target.spec.js
@@ -1,6 +1,7 @@
 import { createElement } from 'lwc';
 
 import Container from 'x/container';
+import { jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 
 describe('Event.target', () => {
     let globalListener = () => {};
diff --git a/packages/@lwc/integration-not-karma/test/shadow-dom/EventTarget-methods/EventTarget.addEventListener.spec.js b/packages/@lwc/integration-not-karma/test/shadow-dom/EventTarget-methods/EventTarget.addEventListener.spec.js
index b3000c7013..e2234b178d 100644
--- a/packages/@lwc/integration-not-karma/test/shadow-dom/EventTarget-methods/EventTarget.addEventListener.spec.js
+++ b/packages/@lwc/integration-not-karma/test/shadow-dom/EventTarget-methods/EventTarget.addEventListener.spec.js
@@ -1,5 +1,6 @@
 import { createElement } from 'lwc';
 import Container from 'x/container';
+import { jasmine } from '../../../helpers/jasmine.js';
 import { extractDataIds } from '../../../helpers/utils.js';
 
 function createShadowTree(parentNode) {
diff --git a/packages/@lwc/integration-not-karma/test/shadow-dom/EventTarget-methods/EventTarget.removeEventListener.spec.js b/packages/@lwc/integration-not-karma/test/shadow-dom/EventTarget-methods/EventTarget.removeEventListener.spec.js
index 8775a8e0f5..1732c79675 100644
--- a/packages/@lwc/integration-not-karma/test/shadow-dom/EventTarget-methods/EventTarget.removeEventListener.spec.js
+++ b/packages/@lwc/integration-not-karma/test/shadow-dom/EventTarget-methods/EventTarget.removeEventListener.spec.js
@@ -1,5 +1,6 @@
 import { createElement } from 'lwc';
 import Container from 'x/container';
+import { jasmine } from '../../../helpers/jasmine.js';
 import { extractDataIds } from '../../../helpers/utils.js';
 
 function createShadowTree(parentNode) {
diff --git a/packages/@lwc/integration-not-karma/test/shadow-dom/MutationObserver/MutationObserver.spec.js b/packages/@lwc/integration-not-karma/test/shadow-dom/MutationObserver/MutationObserver.spec.js
index 2d30a15ae1..b0ec2f84ca 100644
--- a/packages/@lwc/integration-not-karma/test/shadow-dom/MutationObserver/MutationObserver.spec.js
+++ b/packages/@lwc/integration-not-karma/test/shadow-dom/MutationObserver/MutationObserver.spec.js
@@ -3,6 +3,7 @@ import XParent from 'x/parent';
 import XSlottedChild from 'x/slottedChild';
 import XNestedSlotContainer from 'x/nestedSlotContainer';
 import XTemplateMutations from 'x/templateMutations';
+import { jasmine } from '../../../helpers/jasmine.js';
 
 const observerConfig = { childList: true, subtree: true };
 
diff --git a/packages/@lwc/integration-not-karma/test/shadow-dom/Node-properties/Node.getRootNode.spec.js b/packages/@lwc/integration-not-karma/test/shadow-dom/Node-properties/Node.getRootNode.spec.js
index 631825185c..bd9e059378 100644
--- a/packages/@lwc/integration-not-karma/test/shadow-dom/Node-properties/Node.getRootNode.spec.js
+++ b/packages/@lwc/integration-not-karma/test/shadow-dom/Node-properties/Node.getRootNode.spec.js
@@ -6,6 +6,7 @@ import WithLwcDomManualNested from 'x/withLwcDomManualNested';
 import WithLwcDomManual from 'x/withLwcDomManual';
 import WithoutLwcDomManual from 'x/withoutLwcDomManual';
 import Text from 'x/text';
+import { jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 
 const composedTrueConfig = { composed: true };
 describe('Node.getRootNode', () => {
diff --git a/packages/@lwc/integration-not-karma/test/signal/protocol/index.spec.js b/packages/@lwc/integration-not-karma/test/signal/protocol/index.spec.js
index 775661f5a6..ae99c63ed7 100644
--- a/packages/@lwc/integration-not-karma/test/signal/protocol/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/signal/protocol/index.spec.js
@@ -11,6 +11,7 @@ import Throws from 'x/throws';
 // Note for testing purposes the signal implementation uses LWC module resolution to simplify things.
 // In production the signal will come from a 3rd party library.
 import { Signal } from 'x/signal';
+import { jasmine } from '../../../helpers/jasmine.js';
 
 describe('signal protocol', () => {
     beforeAll(() => {
diff --git a/packages/@lwc/integration-not-karma/test/spread/index.spec.js b/packages/@lwc/integration-not-karma/test/spread/index.spec.js
index f45edc21fe..622988db12 100644
--- a/packages/@lwc/integration-not-karma/test/spread/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/spread/index.spec.js
@@ -1,5 +1,6 @@
 import { createElement } from 'lwc';
 import Test from 'x/test';
+import { jasmine, jasmineSpyOn as spyOn } from '../../helpers/jasmine.js';
 import { getHooks, setHooks } from '../../helpers/hooks.js';
 
 function setSanitizeHtmlContentHookForTest(impl) {
diff --git a/packages/@lwc/integration-not-karma/test/static-content/index.spec.js b/packages/@lwc/integration-not-karma/test/static-content/index.spec.js
index 0c85aba582..4dac801e29 100644
--- a/packages/@lwc/integration-not-karma/test/static-content/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/static-content/index.spec.js
@@ -23,6 +23,7 @@ import Text from 'x/text';
 import TableWithExpression from 'x/tableWithExpressions';
 import TextWithoutPreserveComments from 'x/textWithoutPreserveComments';
 import TextWithPreserveComments from 'x/textWithPreserveComments';
+import { jasmine } from '../../helpers/jasmine.js';
 import { LOWERCASE_SCOPE_TOKENS } from '../../helpers/constants.js';
 import { extractDataIds } from '../../helpers/utils.js';
 
diff --git a/packages/@lwc/integration-not-karma/test/synthetic-shadow/element-api/element-api.spec.js b/packages/@lwc/integration-not-karma/test/synthetic-shadow/element-api/element-api.spec.js
index 9d193c9590..ae2c315c4e 100644
--- a/packages/@lwc/integration-not-karma/test/synthetic-shadow/element-api/element-api.spec.js
+++ b/packages/@lwc/integration-not-karma/test/synthetic-shadow/element-api/element-api.spec.js
@@ -2,6 +2,7 @@ import { createElement } from 'lwc';
 
 import Container from 'x/container';
 import ParentSpecialized from 'x/parentSpecialized';
+import { jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 
 /*
  <div>
diff --git a/packages/@lwc/integration-not-karma/test/template-expressions/errors/x/throwDuringCallChild/throwDuringCallChild.html b/packages/@lwc/integration-not-karma/test/template-expressions/errors/x/throwDuringCallChild/throwDuringCallChild.html
index 0df4ddecff..863a84e5a9 100644
--- a/packages/@lwc/integration-not-karma/test/template-expressions/errors/x/throwDuringCallChild/throwDuringCallChild.html
+++ b/packages/@lwc/integration-not-karma/test/template-expressions/errors/x/throwDuringCallChild/throwDuringCallChild.html
@@ -1,3 +1,3 @@
 <template>
-    <div foo={runRunAsFastAsYouCan()}></div>
+    <div foo="{runRunAsFastAsYouCan()}"></div>
 </template>
\ No newline at end of file
diff --git a/packages/@lwc/integration-not-karma/test/template-expressions/errors/x/undefinedMemberExpressionObjChild/undefinedMemberExpressionObjChild.html b/packages/@lwc/integration-not-karma/test/template-expressions/errors/x/undefinedMemberExpressionObjChild/undefinedMemberExpressionObjChild.html
index b53700e8b4..555b5177c3 100644
--- a/packages/@lwc/integration-not-karma/test/template-expressions/errors/x/undefinedMemberExpressionObjChild/undefinedMemberExpressionObjChild.html
+++ b/packages/@lwc/integration-not-karma/test/template-expressions/errors/x/undefinedMemberExpressionObjChild/undefinedMemberExpressionObjChild.html
@@ -1,3 +1,3 @@
 <template>
-    <div foo={nonexistent.thing}></div>
+    <div foo="{nonexistent.thing}"></div>
 </template>
\ No newline at end of file
diff --git a/packages/@lwc/integration-not-karma/test/template-expressions/smoke-test/x/test/test.html b/packages/@lwc/integration-not-karma/test/template-expressions/smoke-test/x/test/test.html
index 7ec1c634d0..566bc15e1c 100644
--- a/packages/@lwc/integration-not-karma/test/template-expressions/smoke-test/x/test/test.html
+++ b/packages/@lwc/integration-not-karma/test/template-expressions/smoke-test/x/test/test.html
@@ -1,3 +1,3 @@
 <template>
-    <div foo={bar()}></div>
+    <div foo="{bar()}"></div>
 </template>
\ No newline at end of file
diff --git a/packages/@lwc/integration-not-karma/test/template/directive-lwc-dom-manual/index.spec.js b/packages/@lwc/integration-not-karma/test/template/directive-lwc-dom-manual/index.spec.js
index d2ee0da2ba..ee9713b37b 100644
--- a/packages/@lwc/integration-not-karma/test/template/directive-lwc-dom-manual/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/template/directive-lwc-dom-manual/index.spec.js
@@ -3,6 +3,7 @@ import { createElement } from 'lwc';
 import withLwcDomManual from 'x/withLwcDomManual';
 import withoutLwcDomManual from 'x/withoutLwcDomManual';
 import SvgWithLwcDomManual from 'x/svgWithLwcDomManual';
+import { jasmineSpyOn as spyOn } from '../../../helpers/jasmine.js';
 
 function waitForStyleToBeApplied() {
     return Promise.resolve();
diff --git a/packages/@lwc/integration-not-karma/test/template/directive-lwc-render-mode/index.spec.js b/packages/@lwc/integration-not-karma/test/template/directive-lwc-render-mode/index.spec.js
index 63bd8d564f..9d534e96d2 100644
--- a/packages/@lwc/integration-not-karma/test/template/directive-lwc-render-mode/index.spec.js
+++ b/packages/@lwc/integration-not-karma/test/template/directive-lwc-render-mode/index.spec.js
@@ -1,10 +1,11 @@
 import { createElement } from 'lwc';
 import Shadow from 'x/shadow';
 import Light from 'x/light';
+import { jasmine } from '../../../helpers/jasmine.js';
 import {
     attachReportingControlDispatcher,
     detachReportingControlDispatcher,
-} from '../../../helpers/utils.js';
+} from '../../../helpers/reporting-control.js';
 
 describe('lwc:render-mode', () => {
     let dispatcher;
diff --git a/yarn.lock b/yarn.lock
index 86b5d28565..ff830edb48 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2089,9 +2089,11 @@
 
 "@lwc/eslint-plugin-lwc-internal@link:./scripts/eslint-plugin":
   version "0.0.0"
+  uid ""
 
 "@lwc/test-utils-lwc-internals@link:./scripts/test-utils":
   version "0.0.0"
+  uid ""
 
 "@napi-rs/wasm-runtime@0.2.4":
   version "0.2.4"
@@ -3556,7 +3558,7 @@
     magic-string "^0.30.12"
     pathe "^1.1.2"
 
-"@vitest/spy@3.2.4":
+"@vitest/spy@3.2.4", "@vitest/spy@^3.2.4":
   version "3.2.4"
   resolved "https://registry.yarnpkg.com/@vitest/spy/-/spy-3.2.4.tgz#cc18f26f40f3f028da6620046881f4e4518c2599"
   integrity sha512-vAfasCOe6AIK70iP5UD11Ac4siNUNJ9i/9PZ3NKx07sG6sUxeag1LWdNrMWeKKYBLlzuK+Gn65Yd5nyL6ds+nw==