fixup

Author: rhshadrach

pandas/tests/extension/test_string.py

@@ -241,7 +241,7 @@ def test_arith_series_with_array(
             using_infer_string
             and all_arithmetic_operators == "__radd__"
             and dtype.na_value is pd.NA
-            and (HAS_PYARROW or dtype.storage != "pyarrow")
+            and (HAS_PYARROW or dtype.storage == "pyarrow")
         ):
             # TODO(infer_string)
             mark = pytest.mark.xfail(