setupTests.js

import { jest } from '@jest/globals';

// This is included for consistency with `create-react-app`.  It may be become
// unnecessary in future versions of Jest (see
// https://github.com/facebook/jest/issues/9430#issuecomment-616232029), but
// Jest may also choose to move away from magic globals and use imports instead,
// which are already opt-in (see https://github.com/facebook/jest/issues/4473).
globalThis.jest = jest;