epdg: Test UE-initiated Detach Procedure

Related: OS#6333
Change-Id: I19114c69119e42622f323378dd356217d107cb32
diff --git a/library/DIAMETER_Templates.ttcn b/library/DIAMETER_Templates.ttcn
index 82a433c..98ca9bd 100644
--- a/library/DIAMETER_Templates.ttcn
+++ b/library/DIAMETER_Templates.ttcn
@@ -307,6 +307,15 @@
 	}
 }
 
+template (value) GenericAVP ts_AVP_TerminationCause(template (value) BASE_NONE_Termination_Cause tc) := {
+	avp := {
+		avp_header := ts_DIA_Hdr(c_AVP_Code_BASE_NONE_Termination_Cause),
+		avp_data := {
+			avp_BASE_NONE_Termination_Cause := tc
+		}
+	}
+}
+
 template (present) GenericAVP tr_AVP_TerminationCause(template (present) BASE_NONE_Termination_Cause tc) := {
 	avp := {
 		avp_header := tr_DIA_Hdr(c_AVP_Code_BASE_NONE_Termination_Cause),