pcu: f_TC_mo_ping_pong_2phase_access(): Fix race condition
Sometimes the DL data may arrive too late to PCU and it may be requested
to tx before it arrives, hence the PCU will in that case schedule and
transmit a UL ACK/NACK instead of the expected DL data.
Change-Id: Iaee546e2021e86ca6da19ab73cc8d283a827a665
diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index cde5396..5d7a47a 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -1693,6 +1693,8 @@
/* Now SGSN sends some DL data, PCU will page on PACCH */
BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data));
+ /* Sleep a bit to make sure PCU received the DL data and hence it will be prioritized by scheduler: */
+ f_sleep(0.5);
f_ms_rx_pkt_ass_pacch(ms, sched_fn, tr_RLCMAC_DL_PACKET_ASS);
/* DL Ass sets poll+rrbp requesting PACKET CONTROL ACK */
f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn);