feat: Add enforce-consistent-spacing-between-blocks rule (#411)

Author: mskelton

README.md

@@ -0,0 +1,54 @@
+# Enforce consistent spacing between test blocks (`enforce-consistent-spacing-between-blocks`)
+
+Ensure that there is a consistent spacing between test blocks.
+
+## Rule Details
+
+Examples of **incorrect** code for this rule:
+
+```javascript
+test('example 1', () => {
+  expect(true).toBe(true)
+})
+test('example 2', () => {
+  expect(true).toBe(true)
+})
+```
+
+```javascript
+test.beforeEach(() => {})
+test('example 3', () => {
+  await test.step('first', async () => {
+    expect(true).toBe(true)
+  })
+  await test.step('second', async () => {
+    expect(true).toBe(true)
+  })
+})
+```
+
+Examples of **correct** code for this rule:
+
+```javascript
+test('example 1', () => {
+  expect(true).toBe(true)
+})
+
+test('example 2', () => {
+  expect(true).toBe(true)
+})
+```
+
+```javascript
+test.beforeEach(() => {})
+
+test('example 3', () => {
+  await test.step('first', async () => {
+    expect(true).toBe(true)
+  })
+
+  await test.step('second', async () => {
+    expect(true).toBe(true)
+  })
+})
+```

docs/rules/consistent-spacing-between-blocks.md

@@ -35,8 +35,8 @@
     "lint": "eslint .",
     "format": "prettier --write .",
     "format:check": "prettier --check .",
-    "test": "vitest --run --hideSkippedTests",
-    "test:watch": "vitest --reporter=dot --run",
+    "test": "vitest --hideSkippedTests",
+    "test:watch": "vitest --reporter=dot",
     "ts": "tsc --noEmit"
   },
   "peerDependencies": {

package.json

@@ -1,4 +1,5 @@
 import globals from 'globals'
+import consistentSpacingBetweenBlocks from './rules/consistent-spacing-between-blocks.js'
 import expectExpect from './rules/expect-expect.js'
 import maxExpects from './rules/max-expects.js'
 import maxNestedDescribe from './rules/max-nested-describe.js'
@@ -56,6 +57,7 @@ import validTitle from './rules/valid-title.js'
 const index = {
   configs: {},
   rules: {
+    'consistent-spacing-between-blocks': consistentSpacingBetweenBlocks,
     'expect-expect': expectExpect,
     'max-expects': maxExpects,
     'max-nested-describe': maxNestedDescribe,
@@ -115,6 +117,7 @@ const index = {
 const sharedConfig = {
   rules: {
     'no-empty-pattern': 'off',
+    'playwright/consistent-spacing-between-blocks': 'warn',
     'playwright/expect-expect': 'warn',
     'playwright/max-nested-describe': 'warn',
     'playwright/missing-playwright-await': 'error',