TC_data_rtp_tchh24 BTS_Tests

Failing for the past 492 builds since #2573

Took 5.9 sec (from Titan)

Stack Trace

Timeout waiting for matching Downlink data frame
      BTS_Tests.ttcn:9593 BTS_Tests control part
      BTS_Tests.ttcn:8948 TC_data_rtp_tchh24 testcase