public static function createPayerInfo()
{
$payerInfo = new PayerInfo();
$payerInfo->setEmail(self::$email);
$payerInfo->setFirst_name(self::$firstName);
$payerInfo->setLast_name(self::$lastName);
$payerInfo->setPhone(self::$phone);
$payerInfo->setPayer_id(self::$payerId);
$payerInfo->setShipping_address(AddressTest::createAddress());
return $payerInfo;
}