Bravo3\Orm\Tests\EntityManagerTest::testNullObjectSerialisation PHP Метод

    public function testNullObjectSerialisation(EntityManager $em)
    {
        $product = new Product();
        $product->setId(701)->setEnum(null);
        $em->persist($product)->flush();
        /** @var Product $r_product */
        $r_product = $em->retrieve(Product::class, '701');
        $this->assertNull($r_product->getEnum());
    }