hnbgw: Introduce test TC_hnb_reregister_reuse_sctp_assoc

Change-Id: I7386bd4e786daf2688a68ab174a9d4f0b093a741
diff --git a/library/hnbap/HNBAP_Templates.ttcn b/library/hnbap/HNBAP_Templates.ttcn
index 89edf76..2576d17 100644
--- a/library/hnbap/HNBAP_Templates.ttcn
+++ b/library/hnbap/HNBAP_Templates.ttcn
@@ -232,4 +232,25 @@
 	}
 }
 
+/* 9.1.9 HNB DE-REGISTER */
+template (value) HNBAP_PDU
+ts_HNBAP_HNBDe_Register(template (value) Cause cause) := {
+	initiatingMessage := {
+		procedureCode := id_HNBDe_Register,
+		criticality := reject,
+		value_ := {
+			HNBDe_Register := {
+				protocolIEs := {
+					{
+						id := HNBAP_Constants.id_Cause,
+						criticality := ignore,
+						value_ := { Cause := cause }
+					}
+				},
+				protocolExtensions := omit /* TODO: BackoffTimer */
+			}
+		}
+	}
+}
+
 }