epdg: Validate assigned PDP Address and APN

Change-Id: I440a7379c6dab5448d4c57c498ad9d086d0c456b
diff --git a/epdg/EPDG_Tests.ttcn b/epdg/EPDG_Tests.ttcn
index 89a85f1..2ad1b32 100644
--- a/epdg/EPDG_Tests.ttcn
+++ b/epdg/EPDG_Tests.ttcn
@@ -605,8 +605,8 @@
 	/* Expect a positive response back to the translator; */
 	var template (present) GSUP_IEs pdp_info := {
 			tr_GSUP_IE_PDP_CONTEXT_ID(?),
-			tr_GSUP_IE_PDP_ADDRESS(?),
-			tr_GSUP_IE_APN(?),
+			tr_GSUP_IE_PDP_ADDRESS(tr_GSUP_PDP_Address_IPv4(f_inet_addr(g_pars.ue_ip))),
+			tr_GSUP_IE_APN(f_enc_dns_hostname(g_pars.apn)),
 			tr_GSUP_IE_PDP_QOS(?),
 			tr_GSUP_IE_Charging_Characteristics(?)
 			};