test_locale: test_strcoll_with_diacritic and test_strxfrm_with_diacritic tests failing on NetBSD

[furkanonder]

Bug report

Bug description:

localhost$ ./python -m test test_locale -m test_strcoll_with_diacritic -m test_strxfrm_with_diacritic -v
== CPython 3.14.0a0 (heads/main:401fff7423c, Sep 15 2024, 21:20:00) [GCC 10.5.0]
== NetBSD-10.0-amd64-x86_64-64bit-ELF little-endian
== Python build: debug
== cwd: /home/blue/cpython/build/test_python_worker_28241æ
== CPU count: 6
== encodings: locale=UTF-8 FS=utf-8
== resources: all test resources are disabled, use -u option to unskip tests

Using random seed: 1742921980
0:00:00 load avg: 0.18 Run 1 test sequentially in a single process
0:00:00 load avg: 0.18 [1/1] test_locale
test_strcoll_with_diacritic (test.test_locale.TestEnUSCollation.test_strcoll_with_diacritic) ... testing with 'en_US.UTF-8'... FAIL
test_strxfrm_with_diacritic (test.test_locale.TestEnUSCollation.test_strxfrm_with_diacritic) ... testing with 'en_US.UTF-8'... FAIL

======================================================================
FAIL: test_strcoll_with_diacritic (test.test_locale.TestEnUSCollation.test_strcoll_with_diacritic)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/blue/cpython/Lib/test/test_locale.py", line 359, in test_strcoll_with_diacritic
    self.assertLess(locale.strcoll('à', 'b'), 0)
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 126 not less than 0

======================================================================
FAIL: test_strxfrm_with_diacritic (test.test_locale.TestEnUSCollation.test_strxfrm_with_diacritic)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/blue/cpython/Lib/test/test_locale.py", line 368, in test_strxfrm_with_diacritic
    self.assertLess(locale.strxfrm('à'), locale.strxfrm('b'))
    ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 'à' not less than 'b'

----------------------------------------------------------------------
Ran 2 tests in 0.013s

FAILED (failures=2)
test test_locale failed
test_locale failed (2 failures)

== Tests result: FAILURE ==

1 test failed:
    test_locale

Total duration: 266 ms
Total tests: run=2 (filtered) failures=2
Total test files: run=1/1 (filtered) failed=1
Result: FAILURE
localhost$

OS: NetBSD 10.0 amd64

CPython versions tested on:

CPython main branch

Operating systems tested on:

Other

Linked PRs

• GH-124108: Skip test_strcoll_with_diacritic and test_strxfrm_with_diacritic on NetBSD due to lack of UTF-8 LC_COLLATE support #124110
• [3.13] GH-124108: Skip test_locale.test_strcoll_with_diacritic() on NetBSD (GH-124110) #124146
• [3.12] GH-124108: Skip test_locale.test_strcoll_with_diacritic() on NetBSD (GH-124110) #124147

[furkanonder]

NetBSD doesn't support UTF-8 for LC_COLLATE. See https://www.unitedbsd.com/d/1437-issues-running-cpython-locale-tests-on-netbsd-100/2