Update CartTest.php

https://github.com/sebastianbergmann/phpunit/issues/1778#issuecomment-120942848

tests/CartTest.php

@@ -241,19 +241,6 @@ class CartTest extends TestCase
         $cart->add(null, 'Some title', 1, 10.00);
     }
 
-    /**
-     * @test
-     */
-    public function it_will_validate_the_name()
-    {
-        $this->expectException(\InvalidArgumentException::class);
-        $this->expectExceptionMessage('Please supply a valid name.');
-
-        $cart = $this->getCart();
-
-        $cart->add(1, null, 1, 10.00);
-    }
-
     /**
      * @test
      */