Comment 151 for bug 1280522

Reviewed: https://review.openstack.org/392125
Committed: https://git.openstack.org/cgit/openstack/zun/commit/?id=afe2b6fa12a631eb7912e93806e5f1ac0f4efc0b
Submitter: Jenkins
Branch: master

commit afe2b6fa12a631eb7912e93806e5f1ac0f4efc0b
Author: xxj <email address hidden>
Date: Tue Nov 1 20:21:23 2016 +0800

    Replace assertEqual(None, *) with assertIsNone

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

    Closes-Bug:#1280522
    Change-Id: Ib7a24bf7443d9c49e42119c649a32a1e8bd20ba1