diff --git a/pandas/tests/base/test_conversion.py b/pandas/tests/base/test_conversion.py
index 59f9103072fe9..1f4bc024e14d4 100644
--- a/pandas/tests/base/test_conversion.py
+++ b/pandas/tests/base/test_conversion.py
@@ -391,10 +391,11 @@ def test_to_numpy_dtype(as_series):
         ),
     ],
 )
-@pytest.mark.parametrize("container", [pd.Series, pd.Index])  # type: ignore
-def test_to_numpy_na_value_numpy_dtype(container, values, dtype, na_value, expected):
-    s = container(values)
-    result = s.to_numpy(dtype=dtype, na_value=na_value)
+def test_to_numpy_na_value_numpy_dtype(
+    index_or_series, values, dtype, na_value, expected
+):
+    obj = index_or_series(values)
+    result = obj.to_numpy(dtype=dtype, na_value=na_value)
     expected = np.array(expected)
     tm.assert_numpy_array_equal(result, expected)