Function wait_for_tokio_postgres

tests/client_compat.rs:1070–1075

(
    connection_task: tokio::task::JoinHandle<Result<(), tokio_postgres::Error>>,
)

}

async fn wait_for_tokio_postgres(
    connection_task: tokio::task::JoinHandle<Result<(), tokio_postgres::Error>>,
) -> Result<()> {
    timeout(Duration::from_secs(5), connection_task).await???;
    Ok(())
}

fn assert_sqlx_code(err: &sqlx::Error, expected: &str) {
    let code = err