--- a/cms/app-client/tests/helpers/start-app.js	Tue Mar 01 23:35:33 2016 +0100
+++ b/cms/app-client/tests/helpers/start-app.js	Wed Mar 02 13:47:07 2016 +0100
@@ -3,12 +3,12 @@
 import config from '../../config/environment';
 
 export default function startApp(attrs) {
-  var application;
+  let application;
 
-  var attributes = Ember.merge({}, config.APP);
+  let attributes = Ember.merge({}, config.APP);
   attributes = Ember.merge(attributes, attrs); // use defaults, but you can override;
 
-  Ember.run(function() {
+  Ember.run(() => {
     application = Application.create(attributes);
     application.setupForTesting();
     application.injectTestHelpers();