disable py26 tests since I do not have an environment for running them
disable py26 tests since I do not have an environment for running them

Change-Id: I3be53ecc356374940c22dbbc13cfc09bc0613301

idjaw/cliff,dtroyer/cliff,hguemar/cliff-tablib,dtroyer/cliff,openstack/cliff,openstack/cliff,enzochiau/cliff,citrix-openstack-build/cliff,dhellmann/cliff-tablib,varunarya10/cliff,enzochiau/cliff,citrix-openstack-build/cliff,idjaw/cliff,varunarya10/cliff,dreamhost/cliff-tablib