gurubot2/test/components/App/index.spec.js

import '../../browser';
import { shallow } from 'enzyme';
import { expect } from 'chai';
import React from 'react';
import App from 'components/App';

describe('<App />', () => {
    const wrapper = shallow(<App />);

    it('should render a hello world message', () => {
        expect(wrapper.is('h1')).to.equal(true);
        expect(wrapper.text()).to.equal('Hello world!');
    });
});