TC_pcu_interf_ind BTS_Tests

Regression

Failing for the past 1 build since #604

Took 3.6 sec (from Titan)

Stack Trace

"BTS_Tests.ttcn:502 : Timeout waiting for PCU INFO_IND"
      BTS_Tests.ttcn:9522 BTS_Tests control part
      BTS_Tests.ttcn:6668 TC_pcu_interf_ind testcase