Added a non-utf8 locale in the it_IT runner. Added the zh_CN.utf8 locale in the tests

Author: Sylvain MARIE

.github/workflows/posix.yml

@@ -40,9 +40,13 @@ jobs:
           - env_file: actions-38.yaml
             pattern: "not slow and not network and not single_cpu"
             extra_apt: "language-pack-it"
+            # Use the utf8 version as the default, it has no bad side-effect.
             lang: "it_IT.utf8"
             lc_all: "it_IT.utf8"
-            name: "Locale: it_IT.utf8"
+            # Also install it_IT (its encoding is ISO8859-1) but do not activate it.
+            # It will be temporarily activated during tests with locale.setlocale
+            extra_loc: "it_IT"
+            name: "Locale: it_IT"
           - env_file: actions-38.yaml
             pattern: "not slow and not network and not single_cpu"
             extra_apt: "language-pack-zh-hans"
@@ -52,7 +56,7 @@ jobs:
             # Also install zh_CN (its encoding is gb2312) but do not activate it.
             # It will be temporarily activated during tests with locale.setlocale
             extra_loc: "zh_CN"
-            name: "Locale: zh_CN.utf8 + extra zh_CN (gb2312)"
+            name: "Locale: zh_CN"
           - env_file: actions-38.yaml
             pattern: "not slow and not network and not single_cpu"
             pandas_data_manager: "array"

pandas/conftest.py

@@ -1207,6 +1207,8 @@ def utc_fixture(request):
     params=[
         pytest.param(None, id=str(locale.getlocale())),
         "it_IT.utf8",
+        "it_IT",
+        "zh_CN.utf8",
         "zh_CN",
     ]
 )