List stacks tests
List stacks tests

Implements a list stacks test.  This one calls straight into engine
manager.

Signed-off-by: Ian Main <87edab3227c32093d388ed00258c1a5e63cfd715@redhat.com>

openstack/heat,cryptickp/heat,maestro-hybrid-cloud/heat,rdo-management/heat,takeshineshiro/heat,rh-s/heat,sdake/heat-jeos,rickerc/heat_audit,rh-s/heat,gonzolino/heat,ntt-sic/heat,steveb/heat,pratikmallya/heat,JioCloud/heat,citrix-openstack-build/heat,jasondunsmore/heat,srznew/heat,NeCTAR-RC/heat,dims/heat,gonzolino/heat,bbandaru/heat-cfntools,dims/heat,noironetworks/heat,ntt-sic/heat,redhat-openstack/heat,citrix-openstack-build/heat,NeCTAR-RC/heat,Triv90/Heat,srznew/heat,jasondunsmore/heat,JioCloud/heat,rdo-management/heat,steveb/heat,takeshineshiro/heat,cwolferh/heat-scratch,varunarya10/heat,steveb/heat-cfntools,varunarya10/heat,Triv90/Heat,pratikmallya/heat,maestro-hybrid-cloud/heat,openstack/heat-cfntools,Triv90/Heat,redhat-openstack/heat,pshchelo/heat,cwolferh/heat-scratch,cryptickp/heat,openstack/heat,steveb/heat-cfntools,rickerc/heat_audit,dragorosson/heat,dragorosson/heat,miguelgrinberg/heat,pshchelo/heat,miguelgrinberg/heat,noironetworks/heat