tests: Convert remaining mox tests to mock (pt. 2.3)
tests: Convert remaining mox tests to mock (pt. 2.3)

More flattening.

Change-Id: I18a2714104de7655c46302070a78511b563b8678
Signed-off-by: Stephen Finucane <4725dc7f3632bf126d9fbdc30c347e91e8d2fe16@redhat.com>

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