Hi Jacob ,
Due to limitations with the RDM-over-ArtNet protocol the tests won't work with the ArtNet plugin. You'll need to use one of the supported devices listed at
http://www.opendmx.net/index.php/RDM...ported_Devices
I've updated that page to make it clear.
In the future if you have questions on the RDM Responder tests, please email the RDM Testing Group :
https://groups.google.com/forum/#!forum/rdm-testing. I don't monitor these forums.
Simon N