def METHOD_NAME():
    """
    Setup test
    """
    if test_scenario == "boot_order":
        test.log.info("TEST_SETUP: Update disk's boot order.")
        vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)
        vmxml.remove_all_boots()
        test.log.debug(vmxml)
        libvirt_vmxml.modify_vm_device(vmxml, 'disk', disk_dict)
        test.log.info("TEST_SETUP: Add 'rom' to interface's dict.")
        rom_file = sriov_test_obj.get_rom_file()
        iface_dict.update({'rom': {'bar': 'on', 'file': rom_file}})
    elif test_scenario == "readonly_mode":
        test.log.info("TEST_SETUP: Re-mounting sysfs with ro mode.")
        utils_misc.mount('/sys', '', None, 'remount,ro')
        utils_libvirtd.Libvirtd('virtqemud').restart()