public static function createRefund()
{
$refund = new Refund();
$refund->setAmount(AmountTest::createAmount());
$refund->setCapture_id(self::$captureId);
$refund->setCreate_time(self::$createTime);
$refund->setDescription(self::$description);
$refund->setId(self::$id);
$refund->setLinks(array(LinkTest::createLink()));
$refund->setParent_payment(self::$parentPayment);
return $refund;
}