Progress is continuing on the relay-tester.  43 tests are coded and AFAIK working.  That's a bit less than half of what I'm aiming for.  Here are the results run against the chorus 'sample' setup:

https://image.nostr.build/6eb6ebfe8d4bb457f65743480f003e2db3faa822cc9288e4b4bf383bfb6d5937.jpg