TC_chan_act_a53 BTS_Tests:hopping

Failing for the past 2 builds since #22

Took 4.5 sec (from Titan)

Stack Trace

"BTS_Tests.ttcn:7644 : Timeout waiting for UNIT_DATA_IND"
      BTS_Tests.ttcn:9550 BTS_Tests control part
      BTS_Tests.ttcn:7708 TC_chan_act_a53 testcase