[ratelimits] can't trigger rate-limit

[Irwin Tillman]

> From: Vernon Schryver <vjs at rhyolite.com>

>> (It seems that the rrl test in ./bin/tests/system/ still reports failure).
>
>I bet that if you ran the test several times, it would pass or fail
>in different places. 

You win that bet.  I've re-run it several more times, and
although the first few runs continued producing the same FAIL output,
eventually later runs produced varying FAIL output.

Irwin Tillman