anchor.diff:  	TotalOctets2 = InputOctets2 + OutputOctets2,
   	{_, {_, [{_, TotalOctets2}]}} = lists:keyfind("consumedUnit", 1, ServiceRating1).
   
  -send_iec() ->
  +send_iec_class_b() ->
   	[{userdata, [{doc, "On received IEC CCR-I send startRating"}]}].
   
  -send_iec(_Config) ->
  +send_iec_class_b(_Config) ->
   	P1 = price(usage, messages, 1, rand:uniform(1000000)),
   	OfferId = add_offer([P1], 11),
   	ProdRef = add_product(OfferId),
  
positive.code: 	DiameterAuthPort = ct:get_config({diameter, auth_port}, rand:uniform(64511) + 1024),
  	DiameterAcctPort = ct:get_config({diameter, acct_port}, rand:uniform(64511) + 1024),
  	DiameterAppVar = [{auth, [{DiameterAddress, DiameterAuthPort, []}]},
  		{acct, [{DiameterAddress, DiameterAcctPort, []}]}],
  	ok = application:set_env(ocs, diameter, DiameterAppVar),
  	ok = application:set_env(ocs, min_reserve_octets, 1000000),
  	ok = application:set_env(ocs, min_reserve_seconds, 60),
  
negative.code: 			'Used-Service-Unit' = [UsedUnits]} = MultiServices_CC,
  	#'3gpp_ro_Used-Service-Unit'{'CC-Service-Specific-Units' = [1]} = UsedUnits.
  
  send_initial_ecur_class_b() ->
  	[{userdata, [{doc, "On received ECUR CCR-I send startRating"}]}].
  
  send_initial_ecur_class_b(_Config) ->
  	P1 = price(usage, messages, 1, rand:uniform(1000000)),
  	OfferId = add_offer([P1], 11),
  	ProdRef = add_product(OfferId),
  