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

vendor/symfony/console/Tests/Descriptor/TextDescriptorTest.php

@@ -0,0 +1,27 @@
+<?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\Console\Tests\Descriptor;
+
+use Symfony\Component\Console\Descriptor\TextDescriptor;
+
+class TextDescriptorTest extends AbstractDescriptorTest
+{
+    protected function getDescriptor()
+    {
+        return new TextDescriptor();
+    }
+
+    protected function getFormat()
+    {
+        return 'txt';
+    }
+}