Updated openstack/openstack
Project: openstack/keystone  7f9d2b65b32d35e3fd441176b96ae940dd9dd686

Make sure unit tests set the correct log levels

Unit tests appear to not set the expected logging levels so
a number of modules will log excessivly (e.g. ISO8601).

This change ensures the base test classe sets the correct logging
levels (in the same way as the openstack.common.log module).

Change-Id: Ic11b7adee5f27f71094b4ef2b4a635f78f83cba8
Closes-Bug: #1340970