tests: start a local docker registry and add our image to it
tests: start a local docker registry and add our image to it

Signed-off-by: Andrew Schoen <1bb641dc23c3a93cce4eee683bcf4b2bea7903a3@redhat.com>

AcalephStorage/ceph-docker,mkkie/ceph-docker,ceph/ceph-docker,ceph/ceph-docker,AcalephStorage/ceph-docker,rootfs/ceph-docker,JrCs/ceph-docker,JrCs/ceph-docker,cdxvirt/ceph-docker,AcalephStorage/ceph-docker,osixia/ceph-docker,rootfs/ceph-docker,mkkie/ceph-docker,osixia/ceph-docker,cdxvirt/ceph-docker,osixia/ceph-docker,JrCs/ceph-docker