skip ServersTestBootFromVolume test in case of ceph deployment.

Because of the fact that ironic supports only iscsi or fibre_channel
back ends it means if an environment is deployed with Ceph the
following test ServersTestBootFromVolume)' in this particular
deployment have to be skipped.

Change-Id: Ie493578dea0bb92d7952de86bbe7cb5018048bb2
Related-prod: PROD-27396
1 file changed