LB: separate out the FnGetRefId and FnGetAttr tests
LB: separate out the FnGetRefId and FnGetAttr tests

Part of blueprint decouple-nested
Change-Id: Iaeb3cb1531810d03f8dad2b28a9f968d6c7866f7

cryptickp/heat,pshchelo/heat,maestro-hybrid-cloud/heat,noironetworks/heat,dims/heat,jasondunsmore/heat,rdo-management/heat,srznew/heat,jasondunsmore/heat,dragorosson/heat,takeshineshiro/heat,pratikmallya/heat,cryptickp/heat,cwolferh/heat-scratch,rh-s/heat,steveb/heat,rdo-management/heat,openstack/heat,dims/heat,gonzolino/heat,noironetworks/heat,pratikmallya/heat,maestro-hybrid-cloud/heat,rh-s/heat,steveb/heat,openstack/heat,cwolferh/heat-scratch,pshchelo/heat,takeshineshiro/heat,gonzolino/heat,srznew/heat,miguelgrinberg/heat,dragorosson/heat,miguelgrinberg/heat