content: import React from 'react';
  import { render, shallow } from 'enzyme';
  
  import Layout from './layout';
  import SideBar from './side-bar';
  import MainContent from './main-content';
  
  describe('Layout tests', () => {
    it('should contains Side Bar', () => {
      const wrapper = shallow(<Layout />);
  
      expect(wrapper.contains(<SideBar />)).toEqual(true);
    });
  
    it('should contains Content', () => {
      const wrapper = shallow(<Layout />);
  
      expect(wrapper.contains(<MainContent />)).toEqual(true);
    });
  });
  