text: 
  const supertest = require('supertest');
  const expect = require('chai').expect;
  const app = require('../src/index.js');
  
  describe('root URL path', () => {
  
    let request = null;
    let server = null;
  
    beforeEach((done) => {
      server = app.listen(done);
      request = supertest.agent(server);
    });
  
    afterEach((done) => {
      server.close(done);
    });
  
    it('should respond with Pivotal text on GET', async () => {
      const response = await request.get('/');
      expect(response.status).to.equal(200);
      expect(response.type).to.equal('text/html');
      expect(response.text).to.equal('<h1>Hello World</h1>');
  
      return response;
    });
  
  });
  