Updated openstack/openstack
Project: openstack/nova  a34c2a98db614432cf896cb7ed2b5bbcbcc1141a

Don't set CONF options directly in unit tests

The values won't get changed back after the unit test is finished causing
changes to leak out to other tests.

The flags() method handles changing the option temporarily and resetting
it after the test is done.

Change-Id: I3173076e0f4ffbbc51f52a2bd37b98f88db3ddc1