Updated openstack/openstack
Project: openstack/nova  d6b67d7a2afcef150d4a542c16d36113c9de3853

libvirt: remove pointless class in util test suite

The test_utils.py module had two separate test classes defined
for no real benefit. This is left over from merging tests from
two separate files together.

Change-Id: I808719955f90f7333aecbb9f3a1e19a377553edf