text: import { shallow } from 'enzyme';
  import Simulator from '../Simulator';
  import React from 'react';
  
  describe('Simulator', () => {
    it('renders correctly', () => {
      const wrapper = shallow(<Simulator />);
      expect(wrapper).toMatchSnapshot();
    });
    it('evaluate state of class simulator when data passed bu userInput', () => {
      const wrapper = shallow(<Simulator />);
      const instance = wrapper.instance();
      instance.handleAction(1,1,'north');
      expect(wrapper.state().stepX).toBe(1);
      expect(wrapper.state().stepY).toBe(1);
      expect(wrapper.state().stepFace).toBe('north');
    });
  });