Improve testing of unicode id mapping
Improve testing of unicode id mapping

We currently don't test that our id mapping correctly supports
unicode - and in fact, it doesn't. This patch adds a test that
demonstrates this. A follow-on patch will fix the issue.

Change-Id: Ief0597bbd0f1486f23eb799b68a85b590b7e35ef
Partial-Bug: 1419187

openstack/keystone,nuxeh/keystone,roopali8/keystone,rushiagr/keystone,nuxeh/keystone,vivekdhayaal/keystone,takeshineshiro/keystone,roopali8/keystone,ilay09/keystone,dstanek/keystone,maestro-hybrid-cloud/keystone,ilay09/keystone,cernops/keystone,ilay09/keystone,rajalokan/keystone,rushiagr/keystone,takeshineshiro/keystone,dstanek/keystone,promptworks/keystone,jamielennox/keystone,ajayaa/keystone,mahak/keystone,openstack/keystone,vivekdhayaal/keystone,promptworks/keystone,himanshu-setia/keystone,jumpstarter-io/keystone,dims/keystone,jamielennox/keystone,UTSA-ICS/keystone-kerberos,jonnary/keystone,mahak/keystone,dims/keystone,jonnary/keystone,cernops/keystone,promptworks/keystone,klmitch/keystone,himanshu-setia/keystone,mahak/keystone,dstanek/keystone,ajayaa/keystone,idjaw/keystone,openstack/keystone,jumpstarter-io/keystone,rajalokan/keystone,idjaw/keystone,vivekdhayaal/keystone,maestro-hybrid-cloud/keystone,rushiagr/keystone,nuxeh/keystone,klmitch/keystone,rajalokan/keystone,jumpstarter-io/keystone,UTSA-ICS/keystone-kerberos