xfail test when there is no pyarrow

Author: rhshadrach

pandas/tests/apply/test_str.py

@@ -4,7 +4,10 @@
 import numpy as np
 import pytest
 
-from pandas.compat import WASM
+from pandas.compat import (
+    HAS_PYARROW,
+    WASM,
+)
 
 from pandas.core.dtypes.common import is_number
 
@@ -159,10 +162,17 @@ def test_agg_cython_table_series(series, func, expected):
         ),
     ),
 )
-def test_agg_cython_table_transform_series(series, func, expected):
+def test_agg_cython_table_transform_series(request, series, func, expected):
     # GH21224
     # test transforming functions in
     # pandas.core.base.SelectionMixin._cython_table (cumprod, cumsum)
+    if series.dtype == "string" and func == "cumsum" and not HAS_PYARROW:
+        request.applymarker(
+            pytest.mark.xfail(
+                raises=NotImplementedError,
+                reason="TODO(infer_string) cumsum not yet implemented for string",
+            )
+        )
     warn = None if isinstance(func, str) else FutureWarning
     with tm.assert_produces_warning(warn, match="is currently using Series.*"):
         result = series.agg(func)