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test: fix PingDirect test tear down#20687
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spikecurtis commentedNov 10, 2025
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Fixescoder/internal#66
The problem is a race during test tear down where the node callback can fire after the destination tailnet.Conn has already closed, causing an error.
The fix I have employed is to remove the callback in a t.Cleanup() and also refactor some tests to ensure they close the tailnet.Conn in a Cleanup deeper in the stack.