diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 7691187..3433666 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -8465,6 +8465,8 @@
 									   amr_cmr := amr_ft);
 	Tu.start(2.0);
 	alt {
+	[] as_l1_tch_loop();
+	[] as_l1_sacch();
 	[] OsmuxEM_DATA.receive(osmux_pdu_exp) -> value osmux_pdu {
 		var boolean matched := false;
 		for (var integer i := 0; i < osmux_pdu.osmux_amr.header.ctr + 1; i := i + 1) {