old_contents: var should = require('should');
  var request = require('supertest');
  var server = require('../../../app');
  
  process.env.A127_ENV = 'test';
  
  describe('controllers', function() {
  
    describe('hello_world', function() {
  
      describe('GET /hello', function() {
  
        it('should return a default string', function(done) {
  
          request(server)
            .get('/hello')
            .set('Accept', 'application/json')
            .expect('Content-Type', /json/)
            .expect(200)
            .end(function(err, res) {
              should.not.exist(err);
  
              res.body.should.eql('Hello, stranger!');
  
              done();
            });
        });
  
        it('should accept a name parameter', function(done) {
  
          request(server)
            .get('/hello')
            .query({
              name: 'Scott'
            })
            .set('Accept', 'application/json')
            .expect('Content-Type', /json/)
            .expect(200)
            .end(function(err, res) {
              should.not.exist(err);
  
              res.body.should.eql('Hello, Scott!');
  
              done();
            });
        });
      });
    });
  });
  
new_contents: var should = require('should');
  var request = require('supertest');
  var server = require('../../../app');
  
  process.env.A127_ENV = 'test';
  
  describe('controllers', function() {
  
    describe('hello_world', function() {
  
      describe('GET /hello', function() {
  
        it('should return a default string', function(done) {
  
          request(server)
            .get('/hello')
            .set('Accept', 'application/json')
            .expect('Content-Type', /json/)
            .expect(200)
            .end(function(err, res) {
              should.not.exist(err);
  
              res.body.should.eql('Hello, stranger!');
  
              done();
            });
        });
  
        it('should accept a name parameter', function(done) {
  
          request(server)
            .get('/hello')
            .query({
              name: 'Scott'
            })
            .set('Accept', 'application/json')
            .expect('Content-Type', /json/)
            .expect(200)
            .end(function(err, res) {
              should.not.exist(err); 
  
              res.body.should.eql('Hello, Scott!');
  
              done();
            });
        });
      });
    });
  });
  
subject: Update hello_world.js