diff --git a/web-studio/src/test/setup.ts b/web-studio/src/test/setup.ts
new file mode 100644
index 0000000000..649398f905
--- /dev/null
+++ b/web-studio/src/test/setup.ts
@@ -0,0 +1,10 @@
+/// <reference types="vitest/jsdom" />
+
+if (typeof jsdom !== 'undefined') {
+  Object.defineProperty(globalThis, 'localStorage', {
+    configurable: true,
+    enumerable: true,
+    value: jsdom.window.localStorage,
+    writable: true,
+  })
+}
diff --git a/web-studio/vite.config.ts b/web-studio/vite.config.ts
index 523d26fe0e..e7f21bea59 100644
--- a/web-studio/vite.config.ts
+++ b/web-studio/vite.config.ts
@@ -1,3 +1,5 @@
+/// <reference types="vitest/config" />
+
 import { defineConfig } from 'vite'
 import { devtools } from '@tanstack/devtools-vite'
 import tsconfigPaths from 'vite-tsconfig-paths'
@@ -19,6 +21,9 @@ const config = defineConfig({
     }),
     viteReact(),
   ],
+  test: {
+    setupFiles: ['./src/test/setup.ts'],
+  },
 })
 
 export default config