private function createSale()
{
$sale = new Sale();
$sale->setAmount(AmountTest::createAmount());
$sale->setCreateTime(self::$createTime);
$sale->setId(self::$id);
$sale->setParentPayment(self::$parentPayment);
$sale->setState(self::$state);
$this->tFee = new Currency();
$this->tFee->setCurrency('AUD');
$this->tFee->setValue('0.10');
$sale->setTransactionFee($this->tFee);
return $sale;
}