[HttpKernel] fixed some unit tests for 2.4 (signature now uses SHA256 instead of MD5)

Author: fabpot

Tests/Fragment/EsiFragmentRendererTest.php

@@ -57,7 +57,7 @@ public function testRenderControllerReference()
         $altReference = new ControllerReference('alt_controller', array(), array());
 
         $this->assertEquals(
-            '<esi:include src="/_fragment?_path=_format%3Dhtml%26_locale%3Dfr%26_controller%3Dmain_controller&_hash=wDaFy1WsZUOWrrMdRMgJ1cOskFo%3D" alt="/_fragment?_path=_format%3Dhtml%26_locale%3Dfr%26_controller%3Dalt_controller&_hash=56ycnRUlgaremRQVStZsGbVhIv8%3D" />',
+            '<esi:include src="/_fragment?_path=_format%3Dhtml%26_locale%3Dfr%26_controller%3Dmain_controller&_hash=Jz1P8NErmhKTeI6onI1EdAXTB85359MY3RIk5mSJ60w%3D" alt="/_fragment?_path=_format%3Dhtml%26_locale%3Dfr%26_controller%3Dalt_controller&_hash=iPJEdRoUpGrM1ztqByiorpfMPtiW%2FOWwdH1DBUXHhEc%3D" />',
             $strategy->render($reference, $request, array('alt' => $altReference))->getContent()
         );
     }