text: import React from 'react';
  import { render } from '@testing-library/react';
  import '@testing-library/jest-dom/extend-expect';
  import renderer from 'react-test-renderer';
  import Display from '../Display';
  
  describe('The Display Appearance', () => {
    it('Matches the Snapshot', () => {
      const tree = renderer.create(<Display />).toJSON();
      expect(tree).toMatchSnapshot();
    });
  
    it('Initializes with a displayed value of 0', () => {
      const { getByText } = render(<Display />);
      getByText('0');
    });
  });
  