old_contents: const should = require('should');
  const supertest = require('supertest');
  
  describe('/alive', () => {
    it('should return an alive message', done => {
      supertest(app)
        .get('/alive')
        .end((err, res) => {
          res.text.should.equal('Johnny Five is Alive!');
          done();
        });
    });
  });
  
new_contents: const app = require('../app.js');
  const should = require('should');
  const supertest = require('supertest');
  
  describe('/alive', () => {
    it('should return an alive message', done => {
      supertest(app)
        .get('/alive')
        .end((err, res) => {
          res.text.should.equal('Johnny Five is Alive!');
          done();
        });
    });
  });
  
subject: Update alive.spec.js