ceph: fix error in <ceph orch device ls> test
ceph: fix error in <ceph orch device ls> test

Rook orchestrator is going to use PVs as <devices> for OSDs.
These PVs must use one storage class present in the cluster and
configured properly in the manager.
With this change we include this new requirement in the Rook manager module test

Signed-off-by: Juan Miguel Olmo Martínez <b865a88887717e9493a6b0afe813700ce1780411@redhat.com>

rook/rook,rook/rook,rook/nfs,rook/rook,rook/nfs,rook/rook,rook/nfs,rook/rook