Comment 100 for bug 1280522

Reviewed: https://review.openstack.org/259016
Committed: https://git.openstack.org/cgit/openstack/python-manilaclient/commit/?id=80d562ac3c49edf5cc95446c70e0a3aac02f1983
Submitter: Jenkins
Branch: master

commit 80d562ac3c49edf5cc95446c70e0a3aac02f1983
Author: Shuquan Huang <huang.shuquan@99cloud.net>
Date: Thu Dec 17 21:49:57 2015 +0800

    Replace assertEqual(None, *) with assertIsNone in tests

    Replace assertEqual(None, *) with assertIsNone in tests to have
    more clear messages in case of failure.

    Change-Id: I9410018cada9503accd6191cfdd3f12ab1c8ba3d
    Closes-bug: #1280522