Comment 25 for bug 1821594

Reviewed: https://review.opendev.org/658929
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=d7d7f115430c7ffeb88ec9dcd155ac69b29d7513
Submitter: Zuul
Branch: stable/stein

commit d7d7f115430c7ffeb88ec9dcd155ac69b29d7513
Author: Rodrigo Barbieri <email address hidden>
Date: Wed May 8 16:01:25 2019 -0300

    Add functional confirm_migration_error test

    This test checks if allocations have been
    successfully cleaned up upon the driver failing
    during "confirm_migration".

    Change-Id: I9d6478f492351b58aa87b8f56e907ee633d6d1c6
    Related-bug: #1821594
    (cherry picked from commit 873ac499c50125adc2fb49728d936922f9acf4a9)