def METHOD_NAME() -> None:
    iotests.qemu_img_create('-f', iotests.imgfmt, base, str(size_long))
    iotests.qemu_img_create('-f', iotests.imgfmt, '-b', base,
                            '-F', iotests.imgfmt, mid, str(size_short))
    iotests.qemu_img_create('-f', iotests.imgfmt, '-b', mid,
                            '-F', iotests.imgfmt, top, str(size_long))
    iotests.qemu_io_log('-c', 'write -P 1 0 %d' % size_long, base)