Ran a poll to determine ideal dates. I have tests from October 28th to November 10th. Hopefully NLnet are available on the 26th 
My response:
Dear <redacted>,
Thanks for the email, this is great news! :)
Gusted and I are available on October 26th from 14:00-16:00 UTC+2. Please let me know if this timing convenient for you.
Warm regards,
Aravinth