content: import { expect } from 'chai';
  import React from 'react';
  import { shallow } from 'enzyme';
  import getMuiTheme from 'material-ui/styles/getMuiTheme';
  import Header from '../components/Header';
  import { APP_PRIMARY_COLOR } from '../global/styles';
  
  describe('<CopyButton />', () => {
    const muiTheme = getMuiTheme();
    const shallowWithContext = (node) => shallow(node, {context: {muiTheme}});
    const props = { titleText: 'cdnjs-ext' };
    const wrapper = shallowWithContext(<Header {...props} />);
  });
  