def METHOD_NAME():
    input_dir = get_input_path('bug816')
    temp_dir = get_temp_dir_path('bug816var')
    copytree(input_dir, temp_dir)
    ds_path = os.path.join(temp_dir, 'bug816.designspace')
    runner(CMD + ['-o', 'c', 'd', f'_{ds_path}'])
    actual_path = os.path.join(temp_dir, 'bug816.otf')
    actual_ttx = generate_ttx_dump(actual_path, ['CFF2'])
    expected_ttx = get_expected_path('bug816.ttx')
    assert differ([expected_ttx, actual_ttx, '-s', '<ttFont sfntVersion'])