Implement test timeout helper. Minor fixes
Implement test timeout helper. Minor fixes

Change-Id: Ic10f76dd3a06260582e5f64f9324017ae9e13a51

ramsateesh/designate,tonyli71/designate,ramsateesh/designate,ionrock/designate,ionrock/designate,grahamhayes/designate,cneill/designate-testing,ramsateesh/designate,tonyli71/designate,openstack/designate,cneill/designate-testing,grahamhayes/designate,openstack/designate,ionrock/designate,muraliselva10/designate,muraliselva10/designate,cneill/designate-testing,muraliselva10/designate,openstack/designate,grahamhayes/designate,tonyli71/designate