test_too_many_open_files: assert on errno.EMFILE instead of strerror
#3001
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…text POSIX does not define strerror() wording. Replace string assertions with errno-based checks and fix ExceptionInfo handling. This way, `test_too_many_open_files(tmp_path)` is libc-agnostic. Fixes pypa#3000
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This was referenced Jan 7, 2026
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POSIX does not define
strerror()wording.Replace string assertions with errno-based checks and fix
ExceptionInfohandling.This way,
test_too_many_open_files(tmp_path)is libc-agnostic (currently fails on musl-libc Linux distros).Fixes #3000
tox -e fix)docs/changelogfolder