Comment 6 for bug 1412812

Reviewed: https://review.openstack.org/150159
Committed: https://git.openstack.org/cgit/openstack/oslo.messaging/commit/?id=eb9251173c30013616ae109b5b945e87e5347e18
Submitter: Jenkins
Branch: master

commit eb9251173c30013616ae109b5b945e87e5347e18
Author: Doug Hellmann <email address hidden>
Date: Mon Jan 26 21:46:02 2015 +0000

    Expose _impl_test for designate

    The previous attempt to do this in
    Ide40b293c9b9c76aae094950720cead4179ea883 created a new module
    oslo/messaging/notify/_impl_test.py which imported the symbols from
    oslo_messaging/notify/_impl_test.py. That doesn't actually work, because
    the functions to reset the notifications modify the copy of the symbol
    in the oslo_messaging package, but the designate tests are still looking
    at the copy in oslo/messaging.

    This change imports a copy of the module from oslo_messaging in the
    oslo/messaging namespace to make certain that the same module object,
    and therefore the same global data structure, is used no matter which
    path the code is accessed.

    The designate team still needs to fix their fixture, but this will let
    us release oslo.messaging without breaking their tests in the mean time.

    Partial-Bug: #1412812

    Change-Id: I629ac57ae1e74bb07e5e98ee2fbc21f8421c3c24