Updated openstack/openstack
Project: openstack/nova  a7e1433a79b30937e29f69a866172c061ced5a5f

Split out num instances filter unit tests

Break out the unit tests for num instances filters from
test_host_filters.py into its own file. In the process, we mock out the
database calls for getting aggregate information instead of creating
database records.

Change-Id: I71516cee8b1660e8e8f76eae4ae831b34232289e