Nick Khyl 016ccae2da util/eventbus: add tests for a subscriber trying to acquire the same mutex as a publisher
As of 2025-11-20, publishing more events than the eventbus's
internal queues can hold may deadlock if a subscriber tries
to acquire a mutex that can also be held by a publisher.

This commit adds a test that demonstrates this deadlock,
and skips it until the bug is fixed.

Updates #17973

Signed-off-by: Nick Khyl <nickk@tailscale.com>
2025-11-21 13:35:48 -06:00
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