L3_Templates: add enum CmIdentityType

Change-Id: Ibe50669663e641cdfd6a88f22c5404e2d90323b7
diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index f551513..6f9eecd 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -817,7 +817,7 @@
 	BSSAP.send(ts_BSSMAP_ClassmarkUpd(g_pars.cm2, g_pars.cm3));
 
 	/* Wait for + respond to ID REQ (IMSI) */
-	BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_MM_ID_Req('001'B)));
+	BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_MM_ID_Req(CM_ID_TYPE_IMSI)));
 	BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_MM_ID_Rsp_IMSI(overlong_imsi))); /* test for OS#2864 */
 	BSSAP.send(ts_PDU_DTAP_MO(ts_ML3_MO_MM_ID_Rsp_IMSI(g_pars.imsi)));