public function testSetterGetter()
{
$item = new ProductItem();
$item->setProductName("test-product_name");
$item->setServiceName("test-service-name");
$item->setUnitPrice(500);
$item->setRegionName("test-region-name");
$this->assertEquals("test-product_name", $item->getProductname());
$this->assertEquals("test-service-name", $item->getServiceName());
$this->assertEquals(500, $item->getUnitPrice());
$this->assertEquals("test-region-name", $item->getRegionName());
}
