Nova unit for osp12 fix for bz 1488500
Nova unit for osp12 fix for bz 1488500

Currently nova tests are failing due to improper urllib3 version
that uses backports.ssl-match-hostname. While proper fix requires
upstream changes to the tests, current work-around is required
for the CI to be passing.

Change-Id: I48078546f02be90d18ea32a080ffaab82fbffc64

redhat-openstack/octario,redhat-openstack/octario