anchor.diff:  	notify_delete_product, post_hub_service, delete_hub_service,
   	notify_create_service, notify_delete_service,
   	post_hub_user, delete_hub_user, post_hub_catalog, delete_hub_catalog,
  -	notify_create_offer, notify_delete_offer,
  +	notify_create_offer, notify_delete_offer, notify_insert_gtt,
   	post_hub_inventory, delete_hub_inventory, notify_product_charge,
   	oauth_authentication].
   
  
positive.code: 	Request1 = {HostUrl ++ PathHub ++ Id, [Accept, auth_header()]},
  	{ok, {{_, 204, _}, _, []}} = httpc:request(delete, Request1, [], []).
  
  notify_product_charge() ->
  	[{userdata, [{doc, "Receive product charged notification"}]}].
  
  
negative.code: notifydeleteoffer(SessionID, _Env, Input) ->
  	mod_esi:deliver(SessionID, "status: 201 Created\r\n\r\n"),
  	notify_delete_offer ! Input.
  
  -spec notifyinsertgtt(SessionID :: term(), Env :: list(),
  		Input :: string()) -> any().
  %% @doc Notification callback for notify_insert_gtt test case.
  notifyinsertgtt(SessionID, _Env, Input) ->
  	mod_esi:deliver(SessionID, "status: 201 Created\r\n\r\n"),
  	notify_insert_gtt ! Input.
  
  product_offer() ->
  	CatalogHref = "/productCatalogManagement/v2",
  