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

vendor/symfony/validator/Tests/Constraints/FileValidatorPathTest.php

@@ -0,0 +1,36 @@
+<?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\Validator\Tests\Constraints;
+
+use Symfony\Component\Validator\Constraints\File;
+
+class FileValidatorPathTest extends FileValidatorTest
+{
+    protected function getFile($filename)
+    {
+        return $filename;
+    }
+
+    public function testFileNotFound()
+    {
+        $constraint = new File(array(
+            'notFoundMessage' => 'myMessage',
+        ));
+
+        $this->validator->validate('foobar', $constraint);
+
+        $this->buildViolation('myMessage')
+            ->setParameter('{{ file }}', '"foobar"')
+            ->setCode(File::NOT_FOUND_ERROR)
+            ->assertRaised();
+    }
+}