heat tests : delete stacks from DB in parser tests
heat tests : delete stacks from DB in parser tests

The tests which store a stack in the DB should delete it
at the end of the test, otherwise any cut/paste test
which uses the same stack name will always fail

Change-Id: Ib2e26480924bfe65a2f6fe8ae55076466394bcee

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