[issue2551200] Latest language tests in test_liveserver fail for me

New submission from Ralf Schlatterbeck:

The latest tests for german locale in test/test_liveserver.py fail for me.

Looks like the computed LOCALE_DIRS in roundup/i18n.py does not find the locale of the checked-out directory.
I have the roundup checkout I'm testing with in
/nobackup/ralf/checkout/sourceforge/roundup.hg.tip
and LOCALE_DIRS contains:

(Pdb) p LOCALE_DIRS
['/usr/share/locale', '/nobackup/ralf/share/locale']

This results in all mofiles being None and the translator being set to the NullTranslator.
Note that when searching in LOCALE_DIRS the domain is set to 'roundup' and on that system no roundup locales are installed in /usr/share.

Any Idea on how to improve this? The regression tests should find the .mo files in the checked out directory and *not* in the installed roundup installation. I'm wondering why this works in the online regression-test framework?

This bit me when testing Marcus' modifications until I noticed that the test breaks without his changes, too.

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messages: 7481
nosy: marcus.priesch, rouilj, schlatterbeck
severity: normal
status: new
title: Latest language tests in test_liveserver fail for me

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