Regression

BTS_Tests.TC_si_sched_13 (from Titan)

Failing for the past 1 build (Since #500 )

"BTS_Tests.ttcn:4682 : No SI messages for TC=1"
      BTS_Tests.ttcn:9424 BTS_Tests control part
      BTS_Tests.ttcn:4985 TC_si_sched_13 testcase