Diameter Gy CCR: Expect RATType AVP in PS-Information instead of MSCC

open5gs-smfd was recently modified to send RAT-Type inside
PS-Information instead of MSCC, since having it in the former is
supported since older spec releases and having it in the later creates
problems in some real world OCS implementation like PortaOne OCS.

Related: SYS#6837
Related: open5gs.git d0b31177cca360865ebc6ab0b89eee7ee4fc8d1a,
Related: open5gs.git 3b5e851f5d1328536052031e66a7b9b03c3057f6
Change-Id: I7ce77d08847a0876291f76e901e5c89c339db27d
diff --git a/pgw/PGW_Tests.ttcn b/pgw/PGW_Tests.ttcn
index 3c4bef2..a1850a0 100644
--- a/pgw/PGW_Tests.ttcn
+++ b/pgw/PGW_Tests.ttcn
@@ -457,8 +457,7 @@
 					tr_AVP_MultipleServicesIndicator,
 					tr_AVP_Multiple_Services_Credit_Control(content := superset(
 						tr_AVP_Requested_Service_Unit,
-						tr_AVP_PCC_3GPP_QoS_Information,
-						tr_AVP_GI_3GPP_RatType(rat_type)
+						tr_AVP_PCC_3GPP_QoS_Information
 					)),
 					tr_AVP_3GPP_ServiceInformation(content := superset(
 						tr_AVP_3GPP_PSInformation(content := superset(
@@ -474,7 +473,8 @@
 							tr_AVP_3GPP_NSAPI(nsapi),
 							/*We don't yet send MS_Tz in CreateSessionReq:
 							tr_AVP_3GPP_MS_TimeZone,*/
-							tr_AVP_3GPP_ULI/*,
+							tr_AVP_3GPP_ULI,
+							tr_AVP_GI_3GPP_RatType(rat_type)/*,
 							We don't yet send IMEI in CreateSessionReq:
 							tr_AVP_UserEquipmentInfo({
 								tr_AVP_UserEquipmentInfoType(IMEISV),
@@ -505,8 +505,7 @@
 						tr_AVP_Requested_Service_Unit,
 						tr_AVP_Used_Service_Unit,
 						/* tr_AVP_3GPP_Reporting_Reason, can be sometimes inside UsedServiceUnit */
-						tr_AVP_PCC_3GPP_QoS_Information,
-						tr_AVP_GI_3GPP_RatType(rat_type)
+						tr_AVP_PCC_3GPP_QoS_Information
 					)),
 					tr_AVP_3GPP_ServiceInformation(content := superset(
 						tr_AVP_3GPP_PSInformation(content := superset(
@@ -522,7 +521,8 @@
 							tr_AVP_3GPP_NSAPI(nsapi),
 							/*We don't yet send MS_Tz in CreateSessionReq:
 							tr_AVP_3GPP_MS_TimeZone,*/
-							tr_AVP_3GPP_ULI/*,
+							tr_AVP_3GPP_ULI,
+							tr_AVP_GI_3GPP_RatType(rat_type)/*,
 							We don't yet send IMEI in CreateSessionReq:
 							tr_AVP_UserEquipmentInfo({
 								tr_AVP_UserEquipmentInfoType(IMEISV),
@@ -554,8 +554,7 @@
 						/* tr_AVP_Requested_Service_Unit, Only in INIT and UPDATE */
 						tr_AVP_Used_Service_Unit,
 						tr_AVP_3GPP_Reporting_Reason(FINAL),
-						tr_AVP_PCC_3GPP_QoS_Information,
-						tr_AVP_GI_3GPP_RatType(rat_type)
+						tr_AVP_PCC_3GPP_QoS_Information
 					)),
 					tr_AVP_3GPP_ServiceInformation(content := superset(
 						tr_AVP_3GPP_PSInformation(content := superset(
@@ -571,7 +570,8 @@
 							tr_AVP_3GPP_NSAPI(nsapi),
 							/*We don't yet send MS_Tz in CreateSessionReq:
 							tr_AVP_3GPP_MS_TimeZone,*/
-							tr_AVP_3GPP_ULI/*,
+							tr_AVP_3GPP_ULI,
+							tr_AVP_GI_3GPP_RatType(rat_type)/*,
 							We don't yet send IMEI in CreateSessionReq:
 							tr_AVP_UserEquipmentInfo({
 								tr_AVP_UserEquipmentInfoType(IMEISV),