describe('Hello Moon', () => { const helloMoon = 'Hello, Moon!' it('says hello moon', () => { expect(helloMoon).toEqual('Hello, Moon!') }) }) // import * as React from 'react' // import { render } from '@testing-library/react' // import { Flex } from './flex' // test('renders without crashing', (): void => { // const { container } = render() // expect(container).toBeDefined() // })