Updated openstack/openstack
Project: openstack/nova  630a7f369a76eaf7f942d8989a30f5dc7b09327e

Fix expected error details from jsonschema

The jsonschema 2.4.0 release slightly changed some of the error messages
that are provided when validation fails. This updates the unit tests to
expect the proper string and avoid failing as a result.

Change-Id: Ic8e32140e49e394659e7ebbecb28afb704b23b7c
Closes-bug: #1358881