Test listing of tokens with a null tenant
Test listing of tokens with a null tenant

Test for fix of bug 1078497

Change-Id: I5cd28b38111f3e80adbb33ef1b1c8db7630d75f8

cloudbau/keystone,dsiddharth/access-keys,rajalokan/keystone,ilay09/keystone,mahak/keystone,rajalokan/keystone,reeshupatel/demo,UTSA-ICS/keystone-kerberos,derekchiang/keystone,rajalokan/keystone,citrix-openstack-build/keystone,takeshineshiro/keystone,blueboxgroup/keystone,reeshupatel/demo,openstack/keystone,townbull/keystone-dtrust,blueboxgroup/keystone,dstanek/keystone,ilay09/keystone,rodrigods/keystone,rushiagr/keystone,cernops/keystone,rushiagr/keystone,maestro-hybrid-cloud/keystone,cloudbau/keystone,ilay09/keystone,citrix-openstack-build/keystone,roopali8/keystone,townbull/keystone-dtrust,jumpstarter-io/keystone,nuxeh/keystone,dsiddharth/access-keys,jumpstarter-io/keystone,townbull/keystone-dtrust,ging/keystone,ging/keystone,ntt-sic/keystone,himanshu-setia/keystone,jamielennox/keystone,mahak/keystone,maestro-hybrid-cloud/keystone,ajayaa/keystone,klmitch/keystone,MaheshIBM/keystone,jonnary/keystone,dstanek/keystone,idjaw/keystone,kwss/keystone,cernops/keystone,kwss/keystone,promptworks/keystone,dsiddharth/access-keys,roopali8/keystone,nuxeh/keystone,rickerc/keystone_audit,vivekdhayaal/keystone,himanshu-setia/keystone,jonnary/keystone,UTSA-ICS/keystone-kerberos,reeshupatel/demo,jumpstarter-io/keystone,JioCloud/keystone,cloudbau/keystone,openstack/keystone,openstack/keystone,dstanek/keystone,vivekdhayaal/keystone,rickerc/keystone_audit,kwss/keystone,JioCloud/keystone,promptworks/keystone,ntt-sic/keystone,idjaw/keystone,rickerc/keystone_audit,dims/keystone,rushiagr/keystone,jamielennox/keystone,derekchiang/keystone,nuxeh/keystone,dims/keystone,derekchiang/keystone,klmitch/keystone,vivekdhayaal/keystone,ntt-sic/keystone,MaheshIBM/keystone,mahak/keystone,citrix-openstack-build/keystone,takeshineshiro/keystone,promptworks/keystone,rodrigods/keystone,ajayaa/keystone