anchor.diff:  %%---------------------------------------------------------------------
   
   nrf_post_initial(MSISDN, IMSI, InputOctets, OutputOctets) ->
  +	TS = erlang:system_time(?MILLISECOND),
  +	InvocationTimeStamp = ocs_log:iso8601(TS),
   	{struct, [{"nfConsumerIdentification",
   	{struct, [{"nodeFunctionality", "OCF"}]}},
   			{"invocationTimeStamp", InvocationTimeStamp},
  
positive.code: 	ContentType = "application/json",
  	Accept = {"accept", "application/json"},
  	HostUrl = ?config(host_url, Config),
  	TS = erlang:system_time(?MILLISECOND),
  	InvocationTimeStamp = ocs_log:iso8601(TS),
  	Body = nrf_post_inital(MSISDN, IMSI, InputOctets, OutputOctets),
  	RequestBody = lists:flatten(mochijson:encode(Body)),
  	Request1 = {HostUrl ++ "/nrf-rating/v1/ratingdata", [Accept, auth_header()], ContentType, RequestBody},
  
negative.code: 	[send_initial_scur, receive_initial_scur, send_interim_scur,
  		receive_interim_scur, send_final_scur, receive_final_scur,
  		receive_interim_no_usu_scur, receive_initial_empty_rsu_scur,
  		post_initial].
  
  %%---------------------------------------------------------------------
  %%  Test cases
  