def METHOD_NAME(tmp_basedir):
    owner_name = 'vm-id'
    disk_name = 'sda'
    res = transientdisk.create_disk(
        owner_name=owner_name,
        disk_name=disk_name,
        size=10 * MiB
    )
    disk_path = res['path']
    disk_info = qemuimg.info(disk_path)
    assert disk_info['format'] == 'qcow2'
    assert disk_info['format-specific']['data']['compat'] == '1.1'
    assert disk_info['virtual-size'] == 10 * MiB
    assert "backing-filename" not in disk_info
    permissions = stat.S_IMODE(os.stat(disk_path).st_mode)
    assert oct(permissions) == oct(sc.FILE_VOLUME_PERMISSIONS)