Fix [H302] errors in heat_integrationtests
Fix [H302] errors in heat_integrationtests

Change-Id: I116e55685e1ee11a0c58c9b33c00cfc0e9f42efe

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