bts: TC_sacch_chan_act_ho_sync: expect SACCH with MS Power IE

According to 3GPP TS 48.058 4.1.4, SACCH may be transmitted also for only MS
Power present, and no Access Delay.

Change-Id: I2e1c0ecc9de65a019aaa9f08bb051bf051156172
diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 32a110a..d9701ae 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -1395,10 +1395,10 @@
 	/* enable dedicated mode */
 	f_l1ctl_est_dchan(L1CTL, g_pars);
 
-	/* Verify that no DL SACCH is being received */
-	f_sacch_missing(?);
+	/* Verify that DL SACCH is being received, because MS Power IE was sent */
+	f_sacch_present(si5);
 
-	/* Send handover Access Burst and expect SACCH to start */
+	/* Send handover Access Burst and expect SACCH to remain present */
 	f_L1CTL_RACH(L1CTL, ho_ref, chan_nr := g_pars.chan_nr);
 
 	f_sacch_present(si5);