Update test_operators.py

Author: another-green

pandas/tests/arrays/categorical/test_operators.py

@@ -185,17 +185,27 @@ def test_comparison_with_unknown_scalars(self):
         tm.assert_numpy_array_equal(cat != 4,
                                     np.array([True, True, True]))
 
-    def test_comparison_of_ordered_categorical_with_nan_to_scalar(self):
+    def test_comparison_of_ordered_categorical_with_nan_to_scalar(
+        self, compare_operators_no_eq_ne):
         # https://github.com/pandas-dev/pandas/issues/26504
         # BUG: fix ordered categorical comparison with missing values (#26504 )
         # and following comparisons with scalars in categories with missing
         # values should be evaluated as False
 
         cat = Categorical([1, 2, 3, None], categories=[1, 2, 3], ordered=True)
 
-        tm.assert_numpy_array_equal(cat <= 2,
-                                    np.array([True, True, False, False]))
+        assert getattr(cat, compare_operators_no_eq_ne)(2)[-1] == False
 
+    def test_comparison_of_ordered_categorical_with_nan_to_listlike(
+            self, compare_operators_no_eq_ne):
+        # https://github.com/pandas-dev/pandas/issues/26504 
+        # and following comparisons of missing values in ordered Categorical 
+        # with listlike should be evaluated as False
+
+        cat = Categorical([1, 2, 3, None], categories=[1, 2, 3], ordered=True)
+        other = Categorical([2, 2, 2, 2], categories=[1, 2, 3], ordered=True)
+        assert getattr(cat, compare_operators_no_eq_ne)(other)[-1] == False
+        
     @pytest.mark.parametrize('data,reverse,base', [
         (list("abc"), list("cba"), list("bbb")),
         ([1, 2, 3], [3, 2, 1], [2, 2, 2])])