fixup add xfails

Author: jorisvandenbossche

pandas/tests/series/test_logical_ops.py

@@ -368,7 +368,6 @@ def test_reverse_ops_with_index(self, op, expected):
         result = op(ser, idx)
         tm.assert_series_equal(result, expected)
 
-    @pytest.mark.xfail(using_string_dtype(), reason="TODO(infer_string)")
     def test_logical_ops_label_based(self, using_infer_string):
         # GH#4947
         # logical ops should be label based