tests: Remove unused helper functions
tests: Remove unused helper functions

Change-Id: Ia1e651e55276692c3330b3187bc0bc9eb89994bb
Signed-off-by: Stephen Finucane <4725dc7f3632bf126d9fbdc30c347e91e8d2fe16@redhat.com>

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