TC_speech_no_rtp_tchf BTS_Tests

Regression

Failing for the past 1 build since #2721

Took 7.2 sec (from Titan)

Stack Trace

"BTS_Tests.ttcn:792 : Timeout expecting RF CHAN REL"
      BTS_Tests.ttcn:9581 BTS_Tests control part
      BTS_Tests.ttcn:8361 TC_speech_no_rtp_tchf testcase