Fix marionette bustage - follow-up of bug 1080948. CLOSED TREE. r=bustage

browser/components/loop/test/shared/roomStore_test.js

@@ -77,6 +77,7 @@ describe("loop.store.RoomStore", function () {
     beforeEach(function() {
       fakeMozLoop = {
         copyString: function() {},
+        notifyUITour: function() {},
         rooms: {
           create: function() {},
           getAll: function() {},