no logging on cms failure

Don't log in the keystoneclient.common.cms as there are some errors
that are expected.  Instead, log in the middleware

bug 1189539

Change-Id: I1e80e2ab35e073d9b8d25fd16b31c64c34cd001d
Merge "no logging on cms failure"
Correct mis-spell in comments

In tests/v3/utils.py, parameterize()

Fixes bug #1206895

Change-Id: I36e3d49209eb6896cb0e053bba9e4c966efea5db