text: import React from 'react';
  import ReactDOM from 'react-dom';
  import ListGroups from './ListGroups';
  import {mount} from 'enzyme/build';
  
  it('renders without crashing', () => {
    const div = document.createElement('div');
    ReactDOM.render(<ListGroups />, div);
    ReactDOM.unmountComponentAtNode(div);
  });
  it('toggle click without crashing', () => {
    const wrapper = mount(<ListGroups />);
    for (let i=0; i<4; i++) {
      let ListGroup = wrapper.find('#plan-picker .list-group-item-action.list-group-item').at(i);
      ListGroup.simulate('click');
      expect(wrapper.state().activeTab).toEqual(i);
    }
    wrapper.unmount()
  });
  