recipient(),
      [change(0), change(1)],
      FeeRate::try_from(1.0).unwrap(),
      Target::Value(Amount::from_sat(10_000)),
    )
    .select_outgoing()
    .unwrap()
    .align_outgoing()
    .pad_alignment_output()
    .unwrap();

    utxos.remove(5);
    utxos.remove(2);
    utxos.remove(1);
    utxos.remove(0);
    assert_eq!(
      tx_builder.utxos,
      utxos.iter().map(|(outpoint, _ranges)| *outpoint).collect()
    );
    assert_eq!(
      tx_builder.inputs,
      [outpoint(4), outpoint(3), outpoint(2), outpoint(1)]
    ); // padding inputs are inserted at the start
    assert_eq!(
      tx_builder.outputs,
      [
        (change(1), Amount::from_sat(101 + 104 + 105 + 1)),
        (recipient(), Amount::from_sat(19_999))
      ]
    )
  }

  fn select_cardinal_utxo_prefer_under_helper(
    target_value: Amount,
    prefer_under: bool,
    expected_value: Amount,
  ) {
    let utxos = vec![
      (outpoint(4), Amount::from_sat(101)),
      (outpoint(1), Amount::from_sat(20_000)),
      (outpoint(2), Amount::from_sat(105)),