Updated openstack/openstack
Project: openstack/nova  00f76450dbbc1ddcda2b0ad733aa3a1e597941a3

libvirt: convert test_dmcrypt to avoid DB usage

Nothing in the dmcrypt test case uses the DB, so it was
incurring the DB setup penalty for no gain. Switch to
use NoDBTestCase reducing time from 1.7s to 0.09s

Partial-bug: #1369516
Change-Id: Ifd4b919f60f48f691d83cedb6ce7ea18c98636ad