fix broken tests

core/lib/Thelia/Action/Cart.php

@@ -205,7 +205,7 @@ class Cart implements EventSubscriberInterface
         $session->setCart($newCart->getId());
 
         $cartEvent = new CartEvent($newCart);
-        $this->dispatcher->dispatch(TheliaEvents::CART_DUPLICATE, $newCart);
+        $this->dispatcher->dispatch(TheliaEvents::CART_DUPLICATE, $cartEvent);
 
         return $cartEvent->cart;
     }

core/lib/Thelia/Tests/Action/CartTest.php

@@ -50,9 +50,13 @@ class CartTest extends \PHPUnit_Framework_TestCase
 
         $this->uniqid = uniqid('', true);
 
+        $dispatcher = $this->getMock("Symfony\Component\EventDispatcher\EventDispatcherInterface");
+
         $this->actionCart = $this->getMock(
             "\Thelia\Action\Cart",
-            array("generateCookie")
+            array("generateCookie"),
+            array($dispatcher)
+
         );
 
         $this->actionCart