Regression

SGSN_Tests_Iu.TC_geran_attach_iu_rau (from Titan)

Failing for the past 1 build (Since #2319 )

"VTY Timeout for prompt: enable"
      SGSN_Tests_Iu.ttcn:114 SGSN_Tests_Iu control part
      SGSN_Tests_Iu.ttcn:103 TC_geran_attach_iu_rau testcase