text: import React from 'react';
  import { render } from '@testing-library/react';
  import App from './App';
   
  test('renders cleanup react app message', () => {
    const { getByText } = render(<App />);
    const cleanupMessage = getByText(/Cleanedup React App/i);
    expect(cleanupMessage).toBeInTheDocument();
  });
  