anchor.diff:  		TestCase == notify_create_product; TestCase == notify_delete_product;
   		TestCase == notify_create_service; TestCase == notify_delete_service;
   		TestCase == notify_create_offer; TestCase == notify_delete_offer;
  -		TestCase == notify_insert_gtt; TestCase == notify_delete_gtt ->
  +		TestCase == notify_insert_gtt; TestCase == notify_delete_gtt;
  +		TestCase == notify_add_pla ->
   	true = register(TestCase, self()),
   	case inets:start(httpd, [{port, 0},
   			{server_name, atom_to_list(?MODULE)},
  
positive.code: 			{_, Prefix} = lists:keyfind("id", 1, GttList2)
  	end.
  
  notify_product_charge() ->
  	[{userdata, [{doc, "Receive product charged notification"}]}].
  
  
negative.code: notifydeletegtt(SessionID, _Env, Input) ->
  	mod_esi:deliver(SessionID, "status: 201 Created\r\n\r\n"),
  	notify_delete_gtt ! Input.
  
  -spec notifyaddpla(SessionID :: term(), Env :: list(),
  		Input :: string()) -> any().
  %% @doc Notification callback for notify_add_pla test case.
  notifyaddpla(SessionID, _Env, Input) ->
  	mod_esi:deliver(SessionID, "status: 201 Created\r\n\r\n"),
  	notify_add_pla ! Input.
  
  product_offer() ->
  	CatalogHref = "/productCatalogManagement/v2",
  