ceph_manager: Skip test if ceph_objectstore_tool not on all osd nodes

Signed-off-by: David Zafman <dzafman@redhat.com>
CORRECTION Thrasher: Disable ceph_objectstore_tool tests if old release missing command

Move handling so that we can log results
Still completely disable until 9780/9781 finished

Correction to a295c18 actual work correctly