Regression

HNBGW_Tests:with-pfcp.TC_rab_assign_mgcp_to (from Titan)

Failing for the past 4 builds (Since #666 )

"VTY Timeout for prompt: enable"
      HNBGW_Tests.ttcn:2886 HNBGW_Tests control part
      HNBGW_Tests.ttcn:1660 TC_rab_assign_mgcp_to testcase