Regression

SGSN_Tests.TC_detach_poweroff (from Titan)

Failing for the past 1 build (Since #2022 )

"VTY Timeout for prompt: enable"
      SGSN_Tests.ttcn:3767 SGSN_Tests control part
      SGSN_Tests.ttcn:1445 TC_detach_poweroff testcase