Regression

SGSN_Tests.TC_attach_mnc3 (from Titan)

Failing for the past 1 build (Since #88 )

"VTY Timeout for prompt: enable"
      SGSN_Tests.ttcn:3909 SGSN_Tests control part
      SGSN_Tests.ttcn:990 TC_attach_mnc3 testcase