text: import React from "react";
  import { shallow, mount, configure } from "enzyme";
  import App from "../App";
  import Header from "../Header";
  import toJson from "enzyme-to-json";
  import Adapter from 'enzyme-adapter-react-16';
  configure({adapter: new Adapter()});
  describe("App component", () => {
  
  it('renders App without crashing', () => {
    shallow(<App />);
  });
  
  });