The fake_notifier uses module globals and also needs careful stub and
reset calls to work properly. This patch wraps the fake_notifier into a
proper Fixture that automates the complexity.
This is fairly rage patch but it does not change any logic just redirect
calls from the fake_notifier to the new NotificationFixture
Most of this is just removal of unnecessary 'use_neutron=True' conf
overrides. The sole exception is the conversion of the metadata API
tests, which turned out to be far less effort to convert than I
Signed-off-by: Stephen Finucane <email@example.com>
The volume.usage notification has been transformed to
the versioned notification framework.
Implements: bp versioned-notification-transformation-stein