MSC/Iu: fixup: start 16 BSC_ConnHdlr components in parallel

Since Ibca0e9196c25ab00803041b81f7b490ba2f0a3ba we can have up to
16 components of type BSC_ConnHdlr running in parallel. Both
TC_multi_lu_and_{mo,mt}_ussd test cases have been updated,
but their Iu/UMTS siblings have not. Let's fix this.

Change-Id: Iaa7347e973ee617cc1780b84e0c298f0a302227c
diff --git a/msc/MSC_Tests_Iu.ttcn b/msc/MSC_Tests_Iu.ttcn
index e894598..72bbf03 100644
--- a/msc/MSC_Tests_Iu.ttcn
+++ b/msc/MSC_Tests_Iu.ttcn
@@ -480,7 +480,7 @@
 /* Verify multiple concurrent MO SS/USSD transactions
  * (one subscriber - one transaction) */
 testcase TC_iu_multi_lu_and_mo_ussd() runs on MTC_CT {
-	var BSC_ConnHdlr vc_conn[8];
+	var BSC_ConnHdlr vc_conn[16];
 	var BSC_ConnHdlrPars pars;
 	var integer i;
 
@@ -499,14 +499,14 @@
 /* Verify multiple concurrent MT SS/USSD transactions
  * (one subscriber - one transaction) */
 testcase TC_iu_multi_lu_and_mt_ussd() runs on MTC_CT {
-	var BSC_ConnHdlr vc_conn[8];
+	var BSC_ConnHdlr vc_conn[16];
 	var BSC_ConnHdlrPars pars;
 	var integer i;
 
 	f_init(3);
 
 	for (i := 0; i < sizeof(vc_conn); i := i + 1) {
-		pars := f_init_pars(1110 + i, ran_idx := 2, ran_is_geran := false,
+		pars := f_init_pars(1116 + i, ran_idx := 2, ran_is_geran := false,
 				    gsup_sid := '200001'O & int2oct(i, 1));
 		vc_conn[i] := f_start_handler_with_pars(refers(f_tc_lu_and_mt_ussd_notification), pars);
 	}