diff -r 660570f13537 -r cf7b221238fd cms/app-client/tests/helpers/destroy-app.js
--- a/cms/app-client/tests/helpers/destroy-app.js	Tue Jun 07 01:11:44 2016 +0200
+++ b/cms/app-client/tests/helpers/destroy-app.js	Tue Jun 07 01:16:31 2016 +0200
@@ -2,4 +2,5 @@
 
 export default function destroyApp(application) {
   Ember.run(application, 'destroy');
+  server.shutdown();
 }