In the first tier5 run with JDK-8287103 fixed, this test timed out:

----------System.out:(4/152)----------
thread1 => VirtualThread[#23]/runnable
thread2 => VirtualThread[#25]/runnable
Waiting for thread1 and thread2 to deadlock ...
Timeout refired 480 times
----------System.err:(0/0)----------
----------rerun:(38/5769)*----------