text: import { assert, expect } from 'chai';
  import { mount, render, shallow, configure} from 'enzyme';
  import Adapter from 'enzyme-adapter-react-16';
  
  configure({ adapter: new Adapter() });
  
  global.assert = assert;
  global.expect = expect;
  
  global.mount = mount;
  global.render = render;
  global.shallow = shallow;
  