diff -r eba9edbd8f46 -r 12c694392e8e cms/app-client/tests/unit/helpers/array-index-test.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/app-client/tests/unit/helpers/array-index-test.js	Tue Aug 23 00:32:11 2016 +0200
@@ -0,0 +1,10 @@
+import { arrayIndex } from 'app-client/helpers/array-index';
+import { module, test } from 'qunit';
+
+module('Unit | Helper | array index');
+
+// Replace this with your real tests.
+test('it works', function(assert) {
+  let result = arrayIndex([42]);
+  assert.ok(result);
+});