Add success test for GET /v2.0/tokens/<TOKEN_ID> in json and xml
Add success test for GET /v2.0/tokens/<TOKEN_ID> in json and xml

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