Ensuring fitering a empty collection works
Ensuring fitering a empty collection works

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