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__);
 }