tests: Skip i18n message translation tests when LC_ALL="C"
or "C.UTF-8"
#801
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This PR simply skips checking that learnr can control the language used for R's messages in known scenarios where the
LANGUAGE
environment variable is ignored. Currently this is true forLC_ALL="C"
and with newer versions of glibc also forLC_ALL="C.UTF-8"
.In an earlier iteration, I tried directly testing that if we are able to change the language of R message – by trying and succeeding or failing – but this create many more problems than it solved.
Fixes #800
Note that in the future we could maybe use
Sys.setLanguage()
, but this was added in R 4.2.0.