use self.skipTest instead of self.skip
use self.skipTest instead of self.skip

this is currently breaking the keystone gate.

Change-Id: I3c617e3c4ce6793d7ffb92b4c2eb4da12e124f54

ilay09/keystone,openstack/keystone,klmitch/keystone,mahak/keystone,cernops/keystone,dims/keystone,himanshu-setia/keystone,rajalokan/keystone,ilay09/keystone,klmitch/keystone,ilay09/keystone,openstack/keystone,rajalokan/keystone,mahak/keystone,cernops/keystone,openstack/keystone,rajalokan/keystone,himanshu-setia/keystone,mahak/keystone,dims/keystone