import { render } from '@testing-library/react' import 'mutationobserver-shim' import React, { Suspense } from 'react' import { BrowserRouter as Router } from 'react-router-dom' import App from './App' it('renders welcome message', async () => { const { findByText } = render( loading}> ) const text = await findByText('Grab a slick name for your new app') expect(text).toBeTruthy() })