update teset

Author: jorisvandenbossche

pandas/tests/indexes/object/test_indexing.py

@@ -65,11 +65,13 @@ def test_get_indexer_with_NA_values(
 
     @td.skip_if_no("pyarrow")
     def test_get_indexer_infer_string_missing_values(self):
-        # GH#55834
+        # ensure the passed list is not cast to string but to object so that
+        # the None value is matched in the index
+        # https://github.com/pandas-dev/pandas/issues/55834
         idx = Index(["a", "b", None], dtype="object")
         result = idx.get_indexer([None, "x"])
-        expected = np.array([2, -1])
-        tm.assert_numpy_array_equal(result, expected, check_dtype=False)
+        expected = np.array([2, -1], dtype=np.intp)
+        tm.assert_numpy_array_equal(result, expected)
 
 
 class TestGetIndexerNonUnique: