BTS_Tests: execute test cases for BS power control on TRX1

Otherwise they fail, because BS power control is normally not
permitted on the BCCH carrier (unless it's in power saving mode).

Change-Id: Ied3e38986690850f0323d4db072cf59b6975587e
Related: SYS#4918
diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 2e35ce9..7476a0c 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -2673,26 +2673,28 @@
 testcase TC_rsl_bs_pwr_static_ass() runs on test_CT {
 	var ConnHdlr vc_conn;
 	var ConnHdlrPars pars;
+
 	f_init();
-	for (var integer tn := 1; tn <= 4; tn := tn+1) {
-		pars := valueof(t_Pars(t_RslChanNr_Bm(tn), ts_RSL_ChanMode_SIGN));
-		vc_conn := f_start_handler(refers(f_TC_rsl_bs_pwr_static_ass), pars,
-					   pcu_comp := false, trxc_comp := true);
-		vc_conn.done;
-	}
+
+	pars := valueof(t_Pars(t_RslChanNr_Bm(0), ts_RSL_ChanMode_SIGN, trx_nr := 1));
+	vc_conn := f_start_handler(refers(f_TC_rsl_bs_pwr_static_ass), pars,
+				   pcu_comp := false, trxc_comp := true);
+	vc_conn.done;
+
 	Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
 }
 
 testcase TC_rsl_bs_pwr_static_power_control() runs on test_CT {
 	var ConnHdlr vc_conn;
 	var ConnHdlrPars pars;
+
 	f_init();
-	for (var integer tn := 1; tn <= 4; tn := tn+1) {
-		pars := valueof(t_Pars(t_RslChanNr_Bm(tn), ts_RSL_ChanMode_SIGN));
-		vc_conn := f_start_handler(refers(f_TC_rsl_bs_pwr_static_power_control), pars,
-					   pcu_comp := false, trxc_comp := true);
-		vc_conn.done;
-	}
+
+	pars := valueof(t_Pars(t_RslChanNr_Bm(0), ts_RSL_ChanMode_SIGN, trx_nr := 1));
+	vc_conn := f_start_handler(refers(f_TC_rsl_bs_pwr_static_power_control), pars,
+				   pcu_comp := false, trxc_comp := true);
+	vc_conn.done;
+
 	Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
 }