anchor.diff:  -define(RO_APPLICATION_ID, 4).
   -define(IANA_PEN_3GPP, 10415).
   -define(IANA_PEN_SigScale, 50386).
  +
  +-define(usagePath, "/usageManagement/v1/usage/").
   
   %%---------------------------------------------------------------------
   %%  Test server callback functions
  
positive.code: 	{_, _, diameter, _, _, event, #'3gpp_ro_CCR'{}, #'3gpp_ro_CCA'{}, [#rated{} = Rated | _]} = E1,
  	#rated{bucket_value = _RatedValue, bucket_type = messages, is_billed = true,
  			product = OfferId, price_type = usage} = Rated.
  
  %%---------------------------------------------------------------------
  %% internal functions
  
negative.code: 			binary_tree_after, binary_tree_backward, binary_tree_forward,
  			binary_tree_last, binary_tree_first, binary_tree_half,
  			diameter_scur, diameter_scur_voice, diameter_ecur,
  			diameter_iec, dia_auth_to_ecs].
  
  %%---------------------------------------------------------------------
  %%  Test cases
  