text: import React from 'react';
  import { shallow } from 'enzyme';
  
  import PanelHeader from '../index';
  
  describe('<PanelHeader />', () => {
      it('should render PanelHeader component', () => {
          const renderedComponent = shallow(<PanelHeader title="title"/>);
          expect(renderedComponent.length).toEqual(1);
      });
  });
  