newsupernova/dev/tests/integration/testsuite/Magento/Paypal/_files/ipn_refund.php

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

return [
    'mc_gross' => -30.00,
    'invoice' => '100000001',
    'payment_status' => 'Refunded',
    'auth_status' => 'Completed',
    'reason_code' => 'refund',
    'receiver_email' => 'merchant_2012050718_biz@example.com',
    'parent_txn_id' => '84J11393WC835693U',
    'txn_id' => '1P566839F9694230H'
];