        withClone(tree) { node in
            var path = Path(startOf: node)
            path.forEachSlot(ascending: false) { slot in
                XCTAssertEqual(slot, 0)
            }
            path.forEachSlot(ascending: true) { slot in
                XCTAssertEqual(slot, 0)
            }

            return path.finish()
        }
    }