 
       tick()
 
-  describe "like incremental updates", ->
+  describe "with bound callbacks", ->
+    Messages = null
+
     early = 20131220
     okay  = 20131222
     late  = 20131224
+
+    errorCheck = "It failed."
+
     # Mock Server on `/messages`
     beforeEach inject ($httpBackend) ->
       id = 0

        done new Error JSON.stringify err

      tick()

              _.each response.data, (item) =>
                @Data.updateEntry item, @matchingCriteria(item)
            return response
          # Test failure callback by manipulating return value
          onFail: (response) ->
            response.data = errorCheck
            return response

    it "should enable incremental updates", (done) ->
      messages = Messages.all()
      messages.$promise
      .then ->
