TC_pcu_oml_alert BTS_Tests

Failing for the past 4 builds since #2

Took 6.2 sec (from Titan)

Stack Trace

"Osmocom_CTRL_Functions.ttcn:97 : Timeout waiting for TRAP \"bts.0.oml_failure_report\""
      BTS_Tests.ttcn:9521 BTS_Tests control part
      BTS_Tests.ttcn:6259 TC_pcu_oml_alert testcase