Description: Xfail a test that doesn't work in the C locale

Author: Rebecca N. Palmer <rebecca_palmer@zoho.com>
Forwarded: no

--- a/pandas/tests/config/test_localization.py
+++ b/pandas/tests/config/test_localization.py
@@ -132,6 +132,7 @@ def test_set_locale(lang, enc):
     assert before_locale == after_locale
 
 
+@pytest.mark.xfail(strict=False,reason="fails in C locale")
 def test_encoding_detected():
     system_locale = os.environ.get("LC_ALL")
     system_encoding = system_locale.split(".")[-1] if system_locale else "utf-8"