old_contents: const mocha = require('mocha');
  const expect = require('chai').expect;
  const server = require('../server');
  const request = require('supertest')(server);
  
  
  
  describe('Server Routes Testing', function() {
    it('should server index html on GET request to /', function(done) {
      request
        .get('/')
        .expect('Content-Type', /html/)
        .expect(200, done);
    });
  
  
  
    it('sending JSON object to client on GET request /songQueue', function(done) {
      // {artist,songName,thumbnailUrl, htmlString}
      request
        .get('/songQueue')
        .expect('Content-Type', /json/)
        .expect(function(res) {
            res.body.artist = 'Kanye';
            res.body.songName = 'Famous';
            res.body.thumbnailUrl = 'http://kanyethegod.com';
            res.body.htmlString = 'this is html string';
        })
        .expect(200, {
          artist: 'Kanye',
          songName: 'Famous',
          thumbnailUrl: 'http://kanyethegod.com',
          htmlString: 'this is html string',
        })
        .end(done);
    });
  
  
  });
  
new_contents: const mocha = require('mocha');
  const expect = require('chai').expect;
  const server = require('../server');
  const request = require('supertest')(server);
  
  
  
  describe('Server Routes Testing', function() {
    it('should server index html on GET request to /', function(done) {
      request
        .get('/')
        .expect('Content-Type', /html/)
        .expect(200, done);
    });
  
    it('sending JSON object to client on GET request /songQueue', function(done) {
      // {artist,songName,thumbnailUrl, htmlString}
      request
        .get('/songQueue')
        .expect('Content-Type', /json/)
        .expect(function(res) {
            res.body.artist = 'Kanye';
            res.body.songName = 'Famous';
            res.body.thumbnailUrl = 'http://kanyethegod.com';
            res.body.embedHtml = 'this is html string';
        })
        .expect(200, {
          artist: 'Kanye',
          songName: 'Famous',
          thumbnailUrl: 'http://kanyethegod.com',
          embedHtml: 'this is html string',
        })
        .end(done);
    });
  
  
  });
  
subject: change htmlString to embedHtml