Updated openstack/openstack
Project: openstack/nova  595ad2c9e15297e926865f5c525fa012074d3cb6

libvirt: convert test_blockinfo.py to avoid DB usage

Remove use of the flavour/instance DB access in the blockinfo
test case by using the Instance object instead. This speeds up
execution from approx 3 seconds to 0.3 seconds.

Partial-bug: #1369516
Change-Id: Ibb76ae64edf48012c3eddfe2eb656aa58bd198b1