partially reverted previous commit

src/Symfony/Bundle/FrameworkBundle/Test/WebTestCase.php

@@ -34,8 +34,7 @@ abstract class WebTestCase extends \PHPUnit_Framework_TestCase
      *
      * @return Client A Client instance
      */
-    static protected function createClient(array $options = array(), 
-                                           array $server = array('HTTP_USER_AGENT' => 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3'))
+    static protected function createClient(array $options = array(), array $server = array())
     {
         static::$kernel = static::createKernel($options);
         static::$kernel->boot();