multi sub MAIN('test-mc') {
    use Test;
    plan 3;
    my $pi = Aero.new(host => '192.168.1.12', port => '8000');
    is $pi.host, '192.168.1.12', 'host is correct';
    is $pi.port, '8000', 'port is correct';
    is Aero.close, 'close the connection';
}