];

    pretty_assert_eq!(
      TransactionBuilder::new(
        satpoint(1, 0),
        BTreeMap::new(),
        utxos.into_iter().collect(),
        BTreeSet::new(),
        recipient(),
        [change(0), change(1)],
        FeeRate::try_from(4.0).unwrap(),
        Target::Value(Amount::from_sat(1000))
      )
      .build_transaction(),
      Err(Error::NotEnoughCardinalUtxos),
    )
  }

  #[test]
  fn additional_input_size_is_correct() {
    let before = TransactionBuilder::estimate_vbytes_with(0, Vec::new());
    let after = TransactionBuilder::estimate_vbytes_with(1, Vec::new());
    assert_eq!(after - before, TransactionBuilder::ADDITIONAL_INPUT_VBYTES);
  }

  #[test]
  fn additional_output_size_is_correct() {
    let before = TransactionBuilder::estimate_vbytes_with(0, Vec::new());
    let after = TransactionBuilder::estimate_vbytes_with(
      0,
      vec![
        "bc1pxwww0ct9ue7e8tdnlmug5m2tamfn7q06sahstg39ys4c9f3340qqxrdu9k"
          .parse::<Address<NetworkUnchecked>>()
          .unwrap()