Prove that a user can't remove global resources
Prove that a user can't remove global resources

This is obvious looking at the code, but if someone ever
reworks it, then we will need this test case.

part of blueprint exclude-resources-option
Change-Id: Ic04b09597ca5d401fcd40ce9241f12c2f7fca04c

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