diff --git a/tests/CartTest.php b/tests/CartTest.php
index 611ae37..fc8f6ab 100644
--- a/tests/CartTest.php
+++ b/tests/CartTest.php
@@ -263,7 +263,7 @@ class CartTest extends TestCase
 
         $cart->add(1, 'Some title', 1, 'invalid');
     }
-    
+
     /**
      * @test
      */