Regression

trial-ttcn3_bts_tests:sysmo.ttcn3_bts_tests.TC_chan_act_a51 (from Titan)

Failing for the past 3 builds (Since #2744 )

"BTS_Tests.ttcn:633 : Tguard timeout"
      BTS_Tests.ttcn:7322 BTS_Tests control part
      BTS_Tests.ttcn:6584 TC_chan_act_a51 testcase