Updated openstack/openstack
Project: openstack/tempest  905d3c9f672899fe7b17d36f3011dab5c829067a

Change LOG.exception to LOG.info for skipped tests

The safe setup decorator was presenting skipException in the logs as an error
and so producing lot of noise in tempest.log.

Change-Id: Ia95d6b9dee4eaf4fc8de4bb128f958ef7f693844
Related-bug: #1344581