fix test for symfony 2.2

Author: dbu

Tests/WebTest/Voter/BaseTestCase.php

@@ -2,6 +2,7 @@
 
 namespace Symfony\Cmf\Bundle\MenuBundle\Tests\WebTest\Voter;
 
+use Symfony\Component\DomCrawler\Crawler;
 use Symfony\Cmf\Component\Testing\Functional\BaseTestCase as BaseBaseTestCase;
 
 abstract class BaseTestCase extends BaseBaseTestCase
@@ -14,9 +15,20 @@ public function setUp()
         $this->client = $this->createClient();
     }
 
-    protected function assertCurrentItem($crawler, $title)
+    protected function assertCurrentItem(Crawler $crawler, $title)
     {
         $res = $crawler->filter('li.current:contains("'.$title.'")')->count();
-        $this->assertEquals(1, $res, 'Failed matching current menu item "'.$title.'", got '.$crawler->html());
+        if (method_exists($crawler, 'html')) {
+            // since symfony 2.3
+            $html = $crawler->html();
+        } else {
+            // symfony 2.2
+            $html = '';
+            foreach ($crawler as $domElement) {
+                $html .= $domElement->ownerDocument->saveHTML($domElement);
+            }
+
+        }
+        $this->assertEquals(1, $res, 'Failed matching current menu item "'.$title.'", got '.$html);
     }
 }