def METHOD_NAME(builtin_variant,
                                                               builtin_io_type_example):
    from moler.connection_factory import get_connection
    io_type, kwargs = builtin_io_type_example
    conn = get_connection(io_type=io_type, variant=builtin_variant, **kwargs)
    assert hasattr(conn, 'moler_connection')
    assert conn.moler_connection.how2send != conn.moler_connection._unknown_send