Added xfail for known failing case

Author: Connor Charles

pandas/tests/test_expressions.py

@@ -431,10 +431,14 @@ def test_bool_ops_column_name_dtype(self, test_input, expected):
         result = test_input.loc[:, ["a", "dtype"]].ne(test_input.loc[:, ["a", "dtype"]])
         assert_frame_equal(result, expected)
 
-    # Can't check floordiv here because it currently doesn't work #GH27636
-    @pytest.mark.parametrize("arith", ("add", "sub", "mul", "mod", "truediv"))
+    @pytest.mark.parametrize(
+        "arith", ("add", "sub", "mul", "mod", "truediv", "floordiv")
+    )
     @pytest.mark.parametrize("axis", (0, 1))
     def test_frame_series_axis(self, axis, arith):
+        if axis == 1 and arith == "floordiv":
+            pytest.xfail("'floordiv' does not succeed with axis=1 #27636")
+
         df = self.frame
         if axis == 1:
             other = self.frame.iloc[0, :]