BSC_Tests_CBSP: cosmetic: move T.start closer to the alt statement

Change-Id: Ib84fadad77b908f0bb71d6fdefda2513ee510ce1
diff --git a/bsc/BSC_Tests_CBSP.ttcn b/bsc/BSC_Tests_CBSP.ttcn
index 359a985..cba8268 100644
--- a/bsc/BSC_Tests_CBSP.ttcn
+++ b/bsc/BSC_Tests_CBSP.ttcn
@@ -993,7 +993,6 @@
 private function f_exp_rsl_etws(integer rsl_idx := 0, boolean enabled) runs on cbsp_test_CT {
 	var template (present) octetstring tr_apdu;
 	timer T := 5.0;
-	T.start;
 
 	if (enabled) {
 		tr_apdu := f_gen_etws_pn(g_cbsp_ser_no, g_cbsp_msg_id);
@@ -1001,6 +1000,7 @@
 		tr_apdu := ''O;
 	}
 
+	T.start;
 	alt {
 	[] IPA_RSL[rsl_idx][0].receive(tr_ASP_RSL_UD(tr_RSL_OSMO_ETWS_CMD(t_RslChanNr_PCH_AGCH(0), tr_apdu))) {
 		setverdict(pass);