TC_pcu_interf_ind BTS_Tests

Regression

Failing for the past 1 build since #624

Took 9.8 sec (from Titan)

Stack Trace

"BTS_Tests.ttcn:5403 : Timeout waiting for PCU RTS.req"
      BTS_Tests.ttcn:9529 BTS_Tests control part
      BTS_Tests.ttcn:6670 TC_pcu_interf_ind testcase