Fix a few contrib regression test scripts that hadn't gotten the word

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 30e2c42e00a501278ffe80223bada52e2ba269f3
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2007-11-13T06:29:04Z
Releases: 8.3.0
Fix a few contrib regression test scripts that hadn't gotten the word
about best practice for including the module creation scripts: to wit
that you should suppress NOTICE messages.  This avoids creating
regression failures by adding or removing comment lines in the module
scripts.

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