[Bug libstdc++/96322] 22_locale/numpunct/members/char/3.cc is outdated: expects grouping=0, actual=3

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96322

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
We really need to create our own custom locales for testing, so that we don't
depend on externally defined data that keep changing.