Comment 87 for bug 1280522

Reviewed: https://review.openstack.org/259020
Committed: https://git.openstack.org/cgit/openstack/python-heatclient/commit/?id=73c3af4b8a6e0afd5d2ea13cb6a1962be6e40370
Submitter: Jenkins
Branch: master

commit 73c3af4b8a6e0afd5d2ea13cb6a1962be6e40370
Author: Shuquan Huang <huang.shuquan@99cloud.net>
Date: Thu Dec 17 21:56:09 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: I517928a81723d28999de2cfb649fc36f893b2ddb
    Closes-bug: #1280522