Github user shinrich commented on the pull request: https://github.com/apache/trafficserver/pull/575#issuecomment-210828998 I think a semi-reliable regression test would be very difficult. This is fixing a timing based problem. You'd have to have a client open a connection. Send a little bit of data. Then wait for for the SM to timeout. The action eventually gets overwritten, so it is a rather narrow window for failure.
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