Regression

SGSN_Tests.TC_detach_nopoweroff (from Titan)

Failing for the past 1 build (Since #2319 )

"VTY Timeout for prompt: enable"
      SGSN_Tests.ttcn:3766 SGSN_Tests control part
      SGSN_Tests.ttcn:1429 TC_detach_nopoweroff testcase