text: import { render, screen } from '@testing-library/react';
  import {MemoryRouter} from 'react-router-dom';
  import App from './App';
  
  test('renders learn react link', () => {
      render(
          <MemoryRouter>
              <App />
          </MemoryRouter>
      );
      const linkElement = screen.getByText(/Trainer/i);
      expect(linkElement).toBeInTheDocument();
  });
  