Comment 37 for bug 1280522

Reviewed: https://review.openstack.org/257234
Committed: https://git.openstack.org/cgit/openstack/tempest/commit/?id=a77f7028b326aaa52a3b159206ecb57356f05b7f
Submitter: Jenkins
Branch: master

commit a77f7028b326aaa52a3b159206ecb57356f05b7f
Author: Shuquan Huang <huang.shuquan@99cloud.net>
Date: Mon Dec 14 17:26:38 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: I0578063d719293d5f2e838241c2db96454f7e4b6
    Closes-bug: #1280522