Updated openstack/openstack
Project: openstack/nova  bacac43417fad92232e8b9d7c7b3a353b3e447c7

libvirt: convert HostStateTestCase to avoid DB usage

The HostStateTestCase test case does not do anything DB
related. Convert it to NoDBTestCase to avoid DB setup penalty.
This improves perf from 1.7s to 0.2s

Partial-bug: #1369516
Change-Id: I0b1030b8a4e8c32f24c5b3a08ff86fa5bad06937