Fix sort_values pytest failure with pandas-2.x regression (#15092)

pandas-2.x seems to have introduced an ordering regression where the index order is not preserved for cases when there is a tie.

Authors:
  - GALI PREM SAGAR (https://github.com/galipremsagar)

Approvers:
  - Matthew Roeschke (https://github.com/mroeschke)

URL: #15092

python/cudf/cudf/tests/test_sorting.py

@@ -48,11 +48,13 @@ def test_dataframe_sort_values(nelem, dtype):
 
 @pytest.mark.parametrize("ignore_index", [True, False])
 @pytest.mark.parametrize("index", ["a", "b", ["a", "b"]])
-def test_dataframe_sort_values_ignore_index(index, ignore_index):
-    if not PANDAS_GE_220 and isinstance(index, list) and not ignore_index:
-        pytest.skip(
-            reason="TODO: Remove this once pandas-2.2 support is added",
+def test_dataframe_sort_values_ignore_index(request, index, ignore_index):
+    request.applymarker(
+        pytest.mark.xfail(
+            PANDAS_GE_220 and isinstance(index, list) and not ignore_index,
+            reason="https://github.com/pandas-dev/pandas/issues/57531",
         )
+    )
 
     gdf = DataFrame(
         {"a": [1, 3, 5, 2, 4], "b": [1, 1, 2, 2, 3], "c": [9, 7, 7, 7, 1]}