Added test case that was part of Zoltan's patch but apparently wasn't part of my commit.

Michael Meskes <meskes@postgresql.org>

Commit: c651c0eb01a7a986b04e5e022f7960db4cbdf720
Author: Michael Meskes <meskes@postgresql.org>
Date: 2010-01-26T10:31:14Z
Releases: 9.0.0
Added test case that was part of Zoltan's patch but apparently wasn't part of my commit.

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