anchor.diff:  	mod_esi:deliver(SessionID, "status: 201 Created\r\n\r\n"),
   	notify_delete_product ! Input.
   
  --spec notifyqueryproduct(SessionID :: term(), Env :: list(),
  +-spec queryproductnotification(SessionID :: term(), Env :: list(),
   		Input :: string()) -> any().
  -%% @doc Notification callback for notify_query_product test case.
  -notifyqueryproduct(SessionID, _Env, Input) ->
  +%% @doc Notification callback for query_product_notification test case.
  +queryproductnotification(SessionID, _Env, Input) ->
   	mod_esi:deliver(SessionID, "status: 201 Created\r\n\r\n"),
  -	notify_query_product ! Input.
  +	query_product_notification ! Input.
   
   -spec notifycreateservice(SessionID :: term(), Env :: list(),
   		Input :: string()) -> any().
  
positive.code: 	mod_esi:deliver(SessionID, "status: 201 Created\r\n\r\n"),
  	notify_delete_offer ! Input.
  
  -spec notifyqueryoffer(SessionID :: term(), Env :: list(),
  		Input :: string()) -> any().
  %% @doc Notification callback for notify_query_offer test case.
  notifyqueryoffer(SessionID, _Env, Input) ->
  	mod_esi:deliver(SessionID, "status: 201 Created\r\n\r\n"),
  	notify_query_offer ! Input.
  
  -spec notifyinsertgtt(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) ++ "/queryproductnotification",
  	Query = "eventType=ProductRemoveNotification&id=" ++ ProdRef1,
  	RequestBody = "{\n"
  			++ "\t\"callback\": \"" ++ Callback ++ "\",\n"
  