public function customSetUp($env, $fixtures, $registryName)
 {
     $this->environment = $env;
     $this->client = static::createClient(array('environment' => $this->environment));
     $this->loadFixtures($fixtures, null, $registryName);
     $cart = FixtureCollector::getCarts($registryName);
     $this->cart = array_pop($cart);
     $this->cartId = $this->cart->getId();
     $this->items = $this->cart->getItems();
     $productId = FixtureCollector::getProducts($registryName);
     $this->product = array_pop($productId);
 }