text: const request = require('supertest');
  const expect = require('expect');
  const app = require('./server.js').app;
  
  
  it('should return hello world response', (done) => {
      request(app)
          .get('/')
          .expect(200)
          .expect((res) => {
              expect(res.body).toInclude({
                  error: 'Page not found.'
              });
          })
          .end(done);
  });
  
  it('Should return my user object', (done) => {
      request(app)
          .get('/user')
          .expect(200)
          .expect((res) => {
              expect(res.body).toInclude({name: 'Mike', age: 25});
          })
          .end(done);
  });