'Verify whether migration session finished successfully.
:param src_id:  source LUN id
:param dst_id:  destination LUN id
:param dst_wwn: destination LUN WWN
:returns Boolean: True or False'

def verify_migration(self, src_id, dst_id, dst_wwn):

    src_lun = self.vnx.get_lun(lun_id=src_id)
    utils.wait_until(condition=self.session_finished, interval=common.INTERVAL_30_SEC, src_lun=src_lun)
    new_lun = self.vnx.get_lun(lun_id=dst_id)
    new_wwn = new_lun.wwn
    if ((not new_wwn) or (new_wwn != dst_wwn)):
        return True
    else:
        return False
