old_contents: // Create the application and define middleware.
  
  'use strict';
  
  var express = require('express');
  var bodyParser = require('body-parser');
  
  var router = require('./../app/routes')();
  
  module.exports = function () {
  
    var app = express();
  
    app.use(bodyParser.urlencoded({
      extended: true
    }));
  
    app.use(bodyParser.json());
    app.use('/api/v1/', router);
  
    return app;
  };
  
new_contents: // Create the application and define middleware.
  
  'use strict';
  
  var express = require('express');
  var bodyParser = require('body-parser');
  
  var router = require('./../app/files/routes')();
  
  module.exports = function () {
  
    var app = express();
  
    app.use(bodyParser.urlencoded({
      extended: true
    }));
  
    app.use(bodyParser.json());
    app.use('/api/v1/', router);
  
    return app;
  };
  
subject: Fix reference to the routes folder of the files module.