import '@testing-library/jest-dom'; import i18next from 'i18next'; import failOnConsole from 'jest-fail-on-console'; import { initReactI18next } from 'react-i18next'; import { matchers } from './matchers'; if (process.env.CI) { failOnConsole({ shouldFailOnLog: true, shouldFailOnDebug: true, shouldFailOnInfo: true, }); } expect.extend(matchers); i18next.use(initReactI18next).init({ resources: {}, returnEmptyString: false, lng: 'en-US', // this should be the locale of the phrases in our source JSX });