Use vitest instead of jest (#50150)

src/data-directory/tests/data-schemas.js

@@ -1,9 +1,10 @@
-import { beforeAll } from '@jest/globals'
 import yaml from 'js-yaml'
 import { readFileSync } from 'fs'
-import walk from 'walk-sync'
 import { extname, basename } from 'path'
 
+import walk from 'walk-sync'
+import { beforeAll, describe, expect, test } from 'vitest'
+
 import { getJsonValidator, validateJson } from '#src/tests/lib/validate-json-schema.js'
 import { formatAjvErrors } from '#src/tests/helpers/schemas.js'
 import dataSchemas from '#src/data-directory/lib/data-schemas/index.js'

src/data-directory/tests/filename-to-key.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest'
+
 import filenameToKey from '#src/data-directory/lib/filename-to-key.js'
 
 describe('filename-to-key', () => {

src/data-directory/tests/get-data.js

@@ -1,7 +1,7 @@
 import fs from 'fs'
 import path from 'path'
 
-import { expect, test, describe, beforeAll, afterAll } from '@jest/globals'
+import { afterAll, beforeAll, describe, expect, test } from 'vitest'
 
 import languages from '#src/languages/lib/languages.js'
 import {
@@ -14,7 +14,7 @@ import { DataDirectory } from '#src/tests/helpers/data-directory.js'
 describe('get-data', () => {
   let dd
   const enDirBefore = languages.en.dir
-  // Only `en` is available in jest tests, so pretend we also have Japanese
+  // Only `en` is available in tests, so pretend we also have Japanese
   languages.ja = Object.assign({}, languages.en, {})
 
   beforeAll(() => {

src/data-directory/tests/index.js

@@ -1,6 +1,10 @@
 import { fileURLToPath } from 'url'
 import path from 'path'
+
+import { describe, expect, test } from 'vitest'
+
 import dataDirectory from '#src/data-directory/lib/data-directory.js'
+
 const __dirname = path.dirname(fileURLToPath(import.meta.url))
 const fixturesDir = path.join(__dirname, 'fixtures')