PayPal\Test\Api\InstallmentOptionTest::testSerializationDeserialization PHP Метод

    public function testSerializationDeserialization()
    {
        $obj = new InstallmentOption(self::getJson());
        $this->assertNotNull($obj);
        $this->assertNotNull($obj->getTerm());
        $this->assertNotNull($obj->getMonthlyPayment());
        $this->assertNotNull($obj->getDiscountAmount());
        $this->assertNotNull($obj->getDiscountPercentage());
        $this->assertEquals(self::getJson(), $obj->toJson());
        return $obj;
    }