private function newTestProductStock($TestCreator, $TestProduct, $TestProductClass)
{
$TestProductStock = new \Eccube\Entity\ProductStock();
$TestProductClass->setProductStock($TestProductStock);
$TestProductStock->setProductClass($TestProductClass);
$TestProductStock->setStock($TestProductClass->getStock());
$TestProductStock->setCreator($TestCreator);
return $TestProductStock;
}