Mock jest setup.

jest.setup.js

 import "@testing-library/jest-dom/extend-expect";
 
-// Mock if needed, seems not so at this time.
-// import i18next from 'i18next';
-// import { initReactI18next } from 'react-i18next';
-// import config from './src/__mocks__/config.json';
-// i18next.use(initReactI18next).init({
-//   resources: config.localisations,
-//   lng: "en",
-//   interpolation: {
-//     escapeValue: false,
-//   },
-// });
+import i18next from 'i18next';
+import { initReactI18next } from 'react-i18next';
+import config from './src/__mocks__/config.json';
+i18next.use(initReactI18next).init({
+  resources: config.localisations,
+  lng: "en",
+  interpolation: {
+    escapeValue: false,
+  },
+});