TC_si_sched_2ter BTS_Tests

Regression

Took 9.1 sec (from Titan)

Stack Trace

"BTS_Tests.ttcn:4680 : No SI messages for TC=0"
      BTS_Tests.ttcn:9468 BTS_Tests control part
      BTS_Tests.ttcn:4955 TC_si_sched_2ter testcase