chore: fix i18nBundle test

Author: MarcusNotheis

packages/base/src/hooks/use18nBundle.test.ts

@@ -1,10 +1,18 @@
 import { act, renderHook } from '@testing-library/react-hooks';
 import { useI18nBundle } from './useI18nBundle';
-import { setLanguage } from '@ui5/webcomponents-base/dist/config/Language.js';
+import { setLanguage, setFetchDefaultLanguage } from '@ui5/webcomponents-base/dist/config/Language.js';
 import { version as reactVersion } from 'react/package.json';
 import { fetchI18nBundle } from '@ui5/webcomponents-base/dist/i18nBundle';
 
 describe('useI18nBundle', () => {
+  beforeAll(() => {
+    setFetchDefaultLanguage(true);
+  });
+
+  afterAll(() => {
+    setFetchDefaultLanguage(false);
+  });
+
   test('Should load message bundle and update', async () => {
     if (reactVersion === '16.8.0') {
       // not testable with 16.8.0

packages/base/src/hooks/useI18nBundle.ts

@@ -15,7 +15,7 @@ export const useI18nBundle = (bundleName: string): I18nBundle => {
 
   useIsomorphicLayoutEffect(() => {
     let isMounted = true;
-    const i18nBundleData = getI18nBundleData('@ui5/webcomponents-react');
+    const i18nBundleData = getI18nBundleData(bundleName);
     if (!i18nBundleData) {
       fetchI18nBundle(`${bundleName}`).then(() => {
         if (isMounted) {