Make regression test output locale-independent

Peter Eisentraut <peter@eisentraut.org>

Commit: 1e4730c639acb967b8e40e6f33e81ebe1721ea5f
Author: Peter Eisentraut <peter@eisentraut.org>
Date: 2019-01-26T08:22:27Z
Releases: 12.0
Make regression test output locale-independent

In some locales, letters sort before numbers, so change the object
naming to not depend on that.  Introduced by commit
7c079d7417a8f2d4bf5144732e2f85117db9214f.

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