text: import React from 'react';
  import ReactDOM from 'react-dom';
  import MuiThemeProvider from 'material-ui/styles/MuiThemeProvider';
  import Text from 'material-ui/Text';
  import AppHeader from './AppHeader';
  import { mount } from 'enzyme';
  
  import chai from 'chai';
  
  chai.should();
  
  describe('App Header Component', () => {
    it('should render the title', () => {
      const expected = 'Example Title';
      const component = mount(<MuiThemeProvider><AppHeader title={expected} /></MuiThemeProvider>);
      const title = component.find(Text)
      title.text().should.equal(expected);
    });
  });
  