text: import React from 'react';
  import { shallow } from 'enzyme';
  
  import NotFoundPage from '../index';
  
  describe('<NotFoundPage />', () => {
    it('should render the page message', () => {
      const renderedComponent = shallow(<NotFoundPage />);
      expect(renderedComponent.contains('Page not found.')).toEqual(true);
    });
  });
  