test(internationalization): globally mock extensions to avoid using import.meta.glob in jest

public/app/core/internationalization/__mocks__/extensions.ts

@@ -0,0 +1 @@
+export const localeExtensionImports = {};

public/app/core/internationalization/constants.test.ts

@@ -13,10 +13,6 @@ import {
   VALID_LANGUAGES,
 } from './constants';
 
-jest.mock('./extensions.ts', () => {
-  return {};
-});
-
 describe('internationalization constants', () => {
   it('should have set the constants correctly', () => {
     expect(ENGLISH_US).toBe('en-US');

public/test/setupTests.ts

@@ -34,6 +34,9 @@ i18next.use(initReactI18next).init({
 // the factory uses import.meta.url so we can't use it in CommonJS modules.
 jest.mock('app/features/dashboard-scene/saving/createDetectChangesWorker.ts');
 
+// mock extension internationalization as it uses import.meta.glob which we can't use in CommonJS modules.
+jest.mock('app/core/internationalization/extensions.ts');
+
 // our tests are heavy in CI due to parallelisation and monaco and kusto
 // so we increase the default timeout to 2secs to avoid flakiness
 configure({ asyncUtilTimeout: 2000 });