anchor.diff:  		TestCase == query_offer_notification;
   		TestCase == notify_insert_gtt; TestCase == notify_delete_gtt;
   		TestCase == query_gtt_notification;
  -		TestCase == notify_add_pla; TestCase == notify_delete_pla ->
  +		TestCase == notify_add_pla; TestCase == notify_delete_pla;
  +		TestCase == query_pla_notification ->
   	true = register(TestCase, self()),
   	case inets:start(httpd, [{port, 0},
   			{server_name, atom_to_list(?MODULE)},
  
positive.code: 	post_hub_user, delete_hub_user, post_hub_catalog, delete_hub_catalog,
  	notify_create_offer, notify_delete_offer, query_offer_notification,
  	notify_insert_gtt, notify_delete_gtt, query_gtt_notification,
  	notify_add_pla, notify_delete_pla,
  	post_hub_inventory, delete_hub_inventory, notify_product_charge,
  	oauth_authentication].
  
  
negative.code: notifydeletepla(SessionID, _Env, Input) ->
  	mod_esi:deliver(SessionID, "status: 201 Created\r\n\r\n"),
  	notify_delete_pla ! Input.
  
  -spec queryplanotification(SessionID :: term(), Env :: list(),
  		Input :: string()) -> any().
  %% @doc Notification callback for query_pla_notification test case.
  queryplanotification(SessionID, _Env, Input) ->
  	mod_esi:deliver(SessionID, "status: 201 Created\r\n\r\n"),
  	query_pla_notification ! Input.
  
  product_offer() ->
  	CatalogHref = "/productCatalogManagement/v2",
  