bsc: reduce code duplication; add new test case on too short messages

Change-Id: I8232ee58c14a4358a01b5428ff2b4e559491b185
diff --git a/library/L3_Templates.ttcn b/library/L3_Templates.ttcn
index 948565d..47e1f62 100644
--- a/library/L3_Templates.ttcn
+++ b/library/L3_Templates.ttcn
@@ -349,6 +349,42 @@
 	}
 }
 
+template (value) PDU_ML3_MS_NW ts_RRM_UL_REL(OCT1 cause) := {
+	discriminator := '0110'B,
+	tiOrSkip := {
+		skipIndicator := '0000'B
+	},
+	msgs := {
+		rrm := {
+			uplinkRelease := {
+				messageType := '00001110'B,
+				rR_Cause := {
+					valuePart := cause
+				}
+			}
+		}
+	}
+}
+
+template PDU_ML3_MS_NW tr_RRM_RR_STATUS(template OCT1 cause := ?) := {
+	discriminator := '0110'B,
+	tiOrSkip := {
+		skipIndicator := '0000'B
+	},
+	msgs := {
+		rrm := {
+			rR_Status := {
+				messageType := '00010010'B,
+				rR_Cause := {
+					valuePart := cause
+				}
+			}
+		}
+	}
+}
+
+
+
 template PDU_ML3_MS_NW ts_ML3_MO := {
 	discriminator := '0000'B,
 	tiOrSkip := {