Fix race in TestCreateTokenCommand (bug 921634)
Fix race in TestCreateTokenCommand (bug 921634)

This fix should reduce the possiblity of failure significantly.

Change-Id: I3a1a7d4eafd11ee8c73a97c45c3f9c38a63a0df0

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