anchor.diff:  	ListenerPort = ?config(listener_port, Config),
   	ListenerServer = "http://localhost:" ++ integer_to_list(ListenerPort),
   	Callback = ListenerServer ++ "/listener/"
  -			++ atom_to_list(?MODULE) ++ "/notifyqueryoffer",
  +			++ atom_to_list(?MODULE) ++ "/queryoffernotification",
   	Query = "eventType=ProductOfferingRemoveNotification&id=" ++ OfferId1,
   	RequestBody = "{\n"
   			++ "\t\"callback\": \"" ++ Callback ++ "\",\n"
  
positive.code: 	mod_esi:deliver(SessionID, "status: 201 Created\r\n\r\n"),
  	notify_product_charge ! Input.
  
  -spec notifyquerybucket(SessionID :: term(), Env :: list(),
  		Input :: string()) -> any().
  %% @doc Notification callback for notify_query_bucket test case.
  notifyquerybucket(SessionID, _Env, Input) ->
  	mod_esi:deliver(SessionID, "status: 201 Created\r\n\r\n"),
  	notify_query_bucket ! Input.
  
  -spec notifycreateproduct(SessionID :: term(), Env :: list(),
  		Input :: string()) -> any().
  
negative.code: 	ListenerPort = ?config(listener_port, Config),
  	ListenerServer = "http://localhost:" ++ integer_to_list(ListenerPort),
  	Callback = ListenerServer ++ "/listener/"
  			++ atom_to_list(?MODULE) ++ "/querybucketnotification",
  	Query = "eventType=BucketBalanceDeletionEvent&id=" ++ BId1,
  	RequestBody = "{\n"
  			++ "\t\"callback\": \"" ++ Callback ++ "\",\n"
  