def METHOD_NAME(self):
    tree = Tree(
        "parent",
        [
            Tree("x", [Tree("kid-0"), Tree("kid-1")]),
            Tree("sibling-0"),
            Tree("sibling-1"),
        ],
    )
    with self.assertRaises(ValueError) as err:
        tree.path_to("x", "nonexistent")
    self.assertEqual(type(err.exception), ValueError)
    self.assertEqual(err.exception.args[0], "No path found")