TC_meas_res_sign_sdcch4 BTS_Tests

Failing for the past 2 builds since #8

Took 12 sec (from Titan)

Stack Trace

"BTS_Tests.ttcn:784 : Timeout expecting RF CHAN REL"
      BTS_Tests.ttcn:9447 BTS_Tests control part
      BTS_Tests.ttcn:3720 TC_meas_res_sign_sdcch4 testcase