Stripe\Tests\Api\CouponsTest::testCreateCoupon PHP Метод

    public function testCreateCoupon()
    {
        $duration = 'once';
        $percentOff = 50;
        $request = $this->coupons->createCouponRequest($duration)->setPercentOff($percentOff);
        $createResponse = $this->coupons->createCoupon($request);
        $this->assertInstanceOf(Coupons::COUPON_RESPONSE_CLASS, $createResponse);
        $this->assertEquals($duration, $createResponse->getDuration());
        $this->assertEquals($percentOff, $createResponse->getPercentOff());
        $this->client->delete('coupons/' . $createResponse->getId());
    }