Currently we require that testnet users participate in either the testnet channel on Slack or on Rocket Chat. These two platforms are bridged to one another. We previously had a testnet channel on Discord but it is too difficult for me to manage 3 channels at once (please understand that it's hard enough coordinating 2 platforms currently).

I also noticed you were running your nodes a few weeks ago without an org flag set in your config. Note that this is a requirement for testnet participation as outlined on the wiki.