public function testSetterGetterWithValidData()
 {
     $serviceId = '5901234123457';
     $ean = '5-901234-123457';
     $sku = '5-901234123457';
     $amount = 2;
     $name = 'Product 1';
     $price = 20000;
     $vat = 1600;
     $product = new Product();
     $product->setServiceid($serviceId)->setEan($ean)->setSku($sku)->setAmount($amount)->setName($name)->setPrice($price)->setVat($vat);
     $this->assertEquals($serviceId, $product->getServiceid());
     $this->assertEquals($ean, $product->getEan());
     $this->assertEquals($sku, $product->getSku());
     $this->assertEquals($amount, $product->getAmount());
     $this->assertEquals($name, $product->getName());
     $this->assertEquals($price, $product->getPrice());
     $this->assertEquals($vat, $product->getVat());
     $serializer = SerializerBuilder::create()->build();
     $test = $serializer->serialize($product, 'xml');
     var_dump($test);
 }