public static function createRefund()
{
$refund = new Refund();
$refund->setCreateTime(self::$createTime);
$refund->setAmount(AmountTest::createAmount());
$refund->setCaptureId(self::$captureId);
$refund->setId(self::$id);
$refund->setLinks(array(LinksTest::getObject()));
$refund->setParentPayment(self::$parentPayment);
return $refund;
}