def METHOD_NAME(self):
    expr = Expression(default_value="1")
    cloned_expr = expr.clone("2")
    self.assertEqual(cloned_expr.default_value_type, DefaultValue.constant)
    self.assertEqual(cloned_expr.default_value, "2")
    self.assertEqual(
        cloned_expr.as_ctrait().default_value_for(None, "expr"),
        "2",
    )