message: add Clone and Debug to OutputPolicy so we can use it in tests too
diff: @@ -19,6 +19,7 @@ pub struct TxoPointerInfo<Addressing> {
  /// For now this is just a placeholder of a single address,
  /// but adding a ratio driven list of addresses seems
  /// a useful flexibility to have
  +#[derive(Debug, Clone)]
  pub enum OutputPolicy {
  One(ExtendedAddr),
  }
  