Regression

BTS_Tests.TC_si_sched_2bis (from Titan)

Failing for the past 1 build (Since #2611 )

"BTS_Tests.ttcn:4682 : No SI messages for TC=0"
      BTS_Tests.ttcn:9420 BTS_Tests control part
      BTS_Tests.ttcn:4949 TC_si_sched_2bis testcase