Omnipay\Alipay\Tests\AopF2FGatewayTest::testRefund PHP Метод

    public function testRefund()
    {
        /**
         * @var AopTradeRefundResponse $response
         */
        $response = $this->gateway->refund(['biz_content' => ['refund_amount' => '10.01', 'out_trade_no' => '201609220542532413']])->send();
        $this->assertArrayHasKey('alipay_trade_refund_response', $response->getData());
        $this->assertFalse($response->isSuccessful());
    }