'Return the lun form get_lun_info method.'

def get_mapped_lun_info_return_value(self):

    root = ET.fromstring(FAKE_RES_DETAIL_DATA_MAPPED_LUN_INFO)
    lun_list = root.find('iSCSILUNList')
    lun_info_tree = lun_list.findall('LUNInfo')
    for lun in lun_info_tree:
        return lun
