Fix coverage output folder
Fix coverage output folder

Change-Id: Ibef8932a5db6ba261c4076c06edb4fae5156ce64

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