text: import React from 'react';
  import { render } from '@testing-library/react';
  import App from '../App';
  import {BrowserRouter as Router} from 'react-router-dom';
  test('renders learn react link', done => {
    const { getByText } = render(<Router><App /></Router>);
    const linkElement = getByText(/second/i);
    try{
      expect(linkElement).toBeInTheDocument();
      done();
    }
    catch (error){
      done(error);
    }
  });