pcu: Fix PCU_Tests_RAW_SNS.TC_pcuif_rach

Change-Id: Ifb19e68a4b2b3250cdc6079dcd7f42656c57cee0
diff --git a/pcu/PCU_Tests_RAW_SNS.ttcn b/pcu/PCU_Tests_RAW_SNS.ttcn
index c179f07..cc3cb5b 100644
--- a/pcu/PCU_Tests_RAW_SNS.ttcn
+++ b/pcu/PCU_Tests_RAW_SNS.ttcn
@@ -254,8 +254,15 @@
 	PCU.send(t_SD_PCUIF(g_pcu_conn_id, msg));
 }
 
+altstep as_pcu_activate() runs on RAW_PCU_CT {
+	var PCUIF_send_data sd;
+	[] PCU.receive(t_SD_PCUIF(g_pcu_conn_id,  tr_PCUIF_ACT_REQ(?, ?, ?))) -> value sd { repeat; }
+
+}
+
 testcase TC_pcuif_rach() runs on RAW_Test_CT {
 	f_sns_bringup_1c1u();
+	activate(as_pcu_activate());
 
 	f_pcuif_tx(ts_PCUIF_RACH_IND(bts_nr:=0, ra:=23, is_11bit:=0, burst_type:=BURST_TYPE_0,
 				     fn:=42, arfcn:=871, qta:=0));