sgsn: Add Test to verify Recovery procedure during CreatePdpResp

Change-Id: Ic81b854967492194367b7ce8a667c29c777791bf
diff --git a/library/GTP_Templates.ttcn b/library/GTP_Templates.ttcn
index a222b2e..a9d2394 100644
--- a/library/GTP_Templates.ttcn
+++ b/library/GTP_Templates.ttcn
@@ -308,11 +308,12 @@
 	template GTPC_PDUs ts_CreatePdpRespPDU(OCT1 cause, OCT4 teid_data, OCT4 teid_ctrl, BIT4 nsapi,
 						octetstring ggsn_ip_sign, octetstring ggsn_ip_data,
 						OCT4 chg_id, template EndUserAddress eua := omit,
+						template Recovery_gtpc recovery := omit,
 						template ProtConfigOptions pco := omit) := {
 		createPDPContextResponse := {
 			cause := { '00'O, cause },
 			reorderingRequired := ts_ReorderReq(false),
-			recovery := omit,
+			recovery := recovery,
 			teidDataI := {
 				type_gtpc := '00'O,
 				teidDataI := teid_data
@@ -352,12 +353,13 @@
 						 BIT4 nsapi, octetstring ggsn_ip_sign,
 						 octetstring ggsn_ip_data, OCT4 chg_id,
 						 template EndUserAddress eua := omit,
+						 template Recovery_gtpc recovery := omit,
 						 template ProtConfigOptions pco := omit) := {
 		peer := peer,
 		gtpc := ts_GTP1C_PDU(createPDPContextResponse, teid,
 					valueof(ts_CreatePdpRespPDU(cause, teid_data, teid_ctrl, nsapi,
 								ggsn_ip_sign, ggsn_ip_data, chg_id,
-								eua, pco)), seq)
+								eua, recovery, pco)), seq)
 	}
 
 	/* PCO send base template */