anchor.diff:  	interim_reservation_multiple_buckets_with_sufficient_amount,
   	interim_reservation_multiple_buckets_out_of_credit,
   	interim_debiting_exact_remain_amount, interim_debiting_below_package_size,
  -	interim_debiting_out_of_credit, interim_debiting_remove_session_attributes, octets_debiting_scenario_6,
  +	interim_debiting_out_of_credit, interim_debiting_remove_session_attributes,
  +	final_call_remove_session_attributes,
   	octets_debit_and_reservation_scenario_1, octets_debit_and_reservation_scenario_2,
   	octets_debit_and_reservation_scenario_3, octets_debit_and_reservation_scenario_4,
   	octets_debit_and_reservation_scenario_5].
  
positive.code: 		termination_date = erlang:system_time(?MILLISECOND) + 2592000000}],
  	SA1 = {erlang:system_time(?MILLISECOND), [{?AcctSessionId, "1020303"},
  		{?NasIdentifier, "rate1@sigscale"}, {?NasIpAddress, "10.0.0.1"}]},
  	SA2 = {erlang:system_time(?MILLISECOND), [{?AcctSessionId, "1020304"},
  		{?NasIdentifier, "rate2@sigscale"}, {?NasIpAddress, "10.0.0.2"}]},
  	SessionAttributes = [SA1, SA2],
  	Subscriber = #subscriber{name = SubscriberID, password = Password,
  			buckets = Buckets, session_attributes = SessionAttributes,
  			product = #product_instance{product = ProdID, characteristics = Chars}},
  	mnesia:dirty_write(subscriber, Subscriber),
  	Destination = ocs:generate_identity(),
  	SessionId = [{'Session-Id', list_to_binary(ocs:generate_password())}],
  	{ok, _, _} = ocs_rating:rate(diameter, SubscriberID, Destination, final, [{octets, Debit}], [], SessionId),
  	{ok, #subscriber{session_attributes = [SA2]}} = ocs:find_subscriber(SubscriberID).
  
  octets_debit_and_reservation_scenario_1() ->
  	[{userdata, [{doc, "Debit given usage and check for reservation,
  
negative.code: 	{out_of_credit, _} = ocs_rating:rate(diameter, SubscriberID, Destination, interim, [{octets, Debit}], [], SessionId),
  	{ok, #subscriber{session_attributes = []}} = ocs:find_subscriber(SubscriberID).
  
  final_call_remove_session_attributes() ->
  	[{userdata, [{doc, "Final call remove given session
  			attributes from subscriber record"}]}].
  
  final_call_remove_session_attributes(_Config) ->
  	ProdID = ocs:generate_password(),
  	Price = #price{name = "overage", type = usage,
  		units = octets, size = 1000, amount = 100},
  