Wrong skip_because message in integration tests

[Martin Pavlásek]

When you use skip_because(bug=[1,2,3]) decorator, it will produce wrong message output:
Skipped until Bugs: %s are resolved.1, 2, 3
instead of:
Skipped until Bugs: 1, 2, 3 are resolved.

[Martin Pavlásek (mpavlase)]

Proposed patch: https://review.openstack.org/#/c/154910/

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/154910
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=e0118d6d920f9eade8b80dc59ed98d2f6157a9fe
Submitter: Jenkins
Branch: master

commit e0118d6d920f9eade8b80dc59ed98d2f6157a9fe
Author: Martin Pavlasek <email address hidden>
Date: Wed Feb 11 16:23:32 2015 +0100

    Add missing percent-format character

    skip_because(bug=[1,2,3]) decorator will display wrong message:
    Skipped until Bugs: %s are resolved.1, 2, 3
    instead of:
    Skipped until Bugs: 1, 2, 3 are resolved.

    Closes-Bug: #1420843
    Change-Id: I07785fe75d9fd16f933efee7d22b6990957465a0