TC_sabm_contention BTS_Tests_LAPDm

Regression

Failing for the past 1 build since #2752

Took 44 sec (from Titan)

Stack Trace

Timeout waiting for L1CTL_FBSB_CONF
      BTS_Tests_LAPDm.ttcn:1466 BTS_Tests_LAPDm control part
      BTS_Tests_LAPDm.ttcn:195 TC_sabm_contention testcase