modify pytest param for appvoyer

Author: mroeschke

pandas/tests/indexes/datetimes/test_misc.py

@@ -242,8 +242,8 @@ def test_datetimeindex_accessors(self):
         assert [d.weekofyear for d in dates] == expected
 
     # GH 12806
-    @pytest.mark.skipif(not tm.get_locales(), reason='No available locales')
-    @pytest.mark.parametrize('time_locale', tm.get_locales() + [None])
+    @pytest.mark.parametrize('time_locale', [
+        None] if tm.get_locales() is None else [None] + tm.get_locales())
     def test_datetime_name_accessors(self, time_locale):
         # Test Monday -> Sunday and January -> December, in that sequence
         if time_locale is None: