Improve service CRUD test coverage
Improve service CRUD test coverage

Change-Id: I2c4c4da7f962e7e84ae3eb3599d86191698d2cf4

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