old_contents: import React from 'react';
  import ReactDOM from 'react-dom';
  import App from '../components/App';
  
  it('renders without crashing', () => {
    const div = document.createElement('div');
    ReactDOM.render(<App />, div);
  });
  
new_contents: import React from 'react';
  import ReactDOM from 'react-dom';
  import App from './components/App';
  
  it('renders without crashing', () => {
    const div = document.createElement('div');
    ReactDOM.render(<App />, div);
  });
  
subject: fix relative path in App.test.js