TC_meas_res_sign_sdcch8 BTS_Tests

Failing for the past 2 builds since #647

Took 40 sec (from Titan)

Stack Trace

"BTS_Tests.ttcn:2429 : Didn't receive expected measurement result"
      BTS_Tests.ttcn:9438 BTS_Tests control part
      BTS_Tests.ttcn:3726 TC_meas_res_sign_sdcch8 testcase