fix more appvoyer tests

Author: mroeschke

pandas/tests/scalar/timestamp/test_timestamp.py

@@ -97,11 +97,11 @@ def check(value, equal):
             assert getattr(ts, end)
 
     # GH 12806
-    @pytest.mark.skipif(not tm.get_locales(), reason='No available locales')
     @pytest.mark.parametrize('data',
                              [Timestamp('2017-08-28 23:00:00'),
                               Timestamp('2017-08-28 23:00:00', tz='EST')])
-    @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_names(self, data, time_locale):
         # GH 17354
         # Test .weekday_name, .day_name(), .month_name

pandas/tests/series/test_datetime_values.py

@@ -276,8 +276,8 @@ def test_dt_accessor_no_new_attributes(self):
                                     "You cannot add any new attribute"):
             s.dt.xlabel = "a"
 
-    @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_dt_accessor_datetime_name_accessors(self, time_locale):
         # Test Monday -> Sunday and January -> December, in that sequence
         if time_locale is None: