TC_sabm_contention BTS_Tests_LAPDm

Regression

Failing for the past 1 build since #623

Took 9 sec (from Titan)

Stack Trace

"BTS_Tests.ttcn:784 : Timeout expecting RF CHAN REL"
      BTS_Tests_LAPDm.ttcn:1478 BTS_Tests_LAPDm control part
      BTS_Tests_LAPDm.ttcn:201 TC_sabm_contention testcase