// use cosmwasm_std::{Addr, CustomMsg, CustomQuery};
// use cw_multi_test::ContractWrapper;
// use cw_orch::Mock;

// mod common;

// const SENDER: &str = "sender";

// #[test]
// fn custom_app() {
//     #[cosmwasm_schema::cw_serde]
//     struct Foo {}

//     impl CustomQuery for Foo {}
//     impl CustomMsg for Foo {}

//     let sender = &Addr::unchecked(SENDER);
//     let app = Mock::<_, Foo>::new(sender).unwrap();
//     let cw20 = common::contract::Cw20::new(app.clone());

//     app.upload_custom(Box::new(
//         ContractWrapper::new_with_empty(
//             cw20_base::contract::execute,
//             cw20_base::contract::instantiate,
//             cw20_base::contract::query,
//         )
//         .with_migrate_empty(cw20_base::contract::migrate),
//     ))
//     .unwrap();
// }