Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony-cmf/routing/Tests/Routing/RouteMock.php

@@ -0,0 +1,55 @@
+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2014 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Component\Routing\Tests\Routing;
+
+use Symfony\Component\Routing\Route as SymfonyRoute;
+
+use Symfony\Cmf\Component\Routing\RouteObjectInterface;
+
+class RouteMock extends SymfonyRoute implements RouteObjectInterface
+{
+    private $locale;
+
+    public function setLocale($locale)
+    {
+        $this->locale = $locale;
+    }
+
+    public function getContent()
+    {
+        return null;
+    }
+
+    public function getDefaults()
+    {
+        $defaults = array();
+        if (! is_null($this->locale)) {
+            $defaults['_locale'] = $this->locale;
+        }
+
+        return $defaults;
+    }
+
+    public function getRequirement($key)
+    {
+        if (! $key == '_locale') {
+            throw new \Exception;
+        }
+
+        return $this->locale;
+    }
+
+    public function getRouteKey()
+    {
+        return null;
+    }
+}