text: import React from 'react';
  import toJson from 'enzyme-to-json';
  import { shallow } from 'enzyme';
  import Header from '../../../components/Common/Header';
  
  describe('<Header>', () => {
    let shallowComponent;
    beforeEach(() => {
      shallowComponent = shallow(<Header />);
    });
  
    it('renders the Header component', () => {
      const tree = toJson(shallowComponent);
      expect(tree).toMatchSnapshot();
    });
  });