tests: Convert remaining mox tests to mock (pt. 2.8)
tests: Convert remaining mox tests to mock (pt. 2.8)

Turns out we also have to remove these helper functions.

Change-Id: I5fc5d83569c7b74a766942bddaaaac1b10ad54b7
Signed-off-by: Stephen Finucane <4725dc7f3632bf126d9fbdc30c347e91e8d2fe16@redhat.com>

openstack/horizon,ChameleonCloud/horizon,openstack/horizon,ChameleonCloud/horizon,ChameleonCloud/horizon,openstack/horizon,ChameleonCloud/horizon,openstack/horizon