As Brakerider said, look to NZ Chris.
If the third test you took was the CAD test, that test has been unlawfully imposed by CASA. CASA will be shamed and embarrassed into complying with the law eventually, but you're better off not dealing with an organisation like that to the extent possible.
You should already be a member of the CVDPA. If you're not, join and have a chat to John O'Brien or Arthur Pape.
(Stationair8: CVD pilots are not colour "blind".)