Comment 141 for bug 1280522

Reviewed: https://review.openstack.org/340645
Committed: https://git.openstack.org/cgit/openstack/taskflow/commit/?id=38c58123caa559104f0ad7cfd52dd6373792398f
Submitter: Jenkins
Branch: master

commit 38c58123caa559104f0ad7cfd52dd6373792398f
Author: weiweigu <email address hidden>
Date: Tue Jul 12 11:41:52 2016 +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: I74452af6d840bcf612fd3bb2521db9134460dd63
    Closes-Bug: #1280522