Add ember to project

tests/helpers/start-app.js

@@ -0,0 +1,17 @@
+import Ember from 'ember';
+import Application from '../../app';
+import config from '../../config/environment';
+
+export default function startApp(attrs) {
+  let application;
+
+  let attributes = Ember.merge({}, config.APP);
+  attributes = Ember.merge(attributes, attrs); // use defaults, but you can override;
+
+  Ember.run(() = > {
+    application = Application.create(attributes);
+  application.setupForTesting();
+  application.injectTestHelpers();
+})
+  return application;
+}