Running tests from the special page in a German wiki causes all tablesorter tests with numbers to fail, simply because
wgSeparatorTransformTable = [",\t.",".\t,"]
transforms all the numbers before sorting. Set this variable explicitly in the tests.
It seems related to Bug 33903 in some way.
Version: 1.19
Severity: enhancement
URL: http://translatewiki.net/sw/Special:JavaScriptTest/qunit?uselang=fi
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=57776