public function testBrandSpecification()
{
$this->dbSetUp();
$brand = new Brand();
$brand->setName('brand');
$this->brandGateway->persistBrand($brand);
$newProduct = new Product();
$newProduct->addBrand($brand);
$this->productGateway->persistProduct($newProduct);
$this->productGateway->flush();
$spec = new ProductSpecification();
$spec->withBrand($brand);
$product = $this->productGateway->findOne($spec);
$this->assertEquals($newProduct, $product);
}