Cleanup UnitTest assert backports
Cleanup UnitTest assert backports

Change-Id: I585b9c2f97660d4493d0fd8c661f114fa043e646

muraliselva10/designate,kiall/designate-py3,cneill/designate,tonyli71/designate,kiall/designate-py3,cneill/designate,richm/designate,ramsateesh/designate,openstack/designate,cneill/designate-testing,kiall/designate-py3,NeCTAR-RC/designate,muraliselva10/designate,melodous/designate,ionrock/designate,melodous/designate,cneill/designate-testing,NeCTAR-RC/designate,cneill/designate,melodous/designate,richm/designate,cneill/designate,kiall/designate-py3,muraliselva10/designate,tonyli71/designate,ionrock/designate,ionrock/designate,openstack/designate,grahamhayes/designate,tonyli71/designate,kiall/designate-py3,melodous/designate,ramsateesh/designate,cneill/designate-testing,ramsateesh/designate,grahamhayes/designate,grahamhayes/designate,openstack/designate,cneill/designate