$product_id = $options['data']->getId();
        $TestProduct = $app['eccube.plugin.test.repository.test_product']->findOneBy(array('product_id' => $product_id));

        $builder->add('plg_test_id', 'choice', array(
            'mapped' => false,
            'required' => true,
            'choices' => array('__unselected' => '選択してください') + $seTests,
            'data' => $TestProduct->getId(),
            'constraints' => array(
                new Assert\NotBlank(),
                new Assert\NotEqualTo(array(
                    'value' => '__unselected',
                    'message' => 'form.type.select.notselect'
                )),
            ),
        ))