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

vendor/symfony/serializer/Tests/Normalizer/TestNormalizer.php

@@ -0,0 +1,37 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer\Tests\Normalizer;
+
+use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
+
+/**
+ * Provides a test Normalizer which only implements the NormalizerInterface.
+ *
+ * @author Lin Clark <lin@lin-clark.com>
+ */
+class TestNormalizer implements NormalizerInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function normalize($object, $format = null, array $context = array())
+    {
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsNormalization($data, $format = null)
+    {
+        return true;
+    }
+}