Fix CS/WS issues

Author: sebastianbergmann

tests/end-to-end/regression/5164/Issue5164Test.php

@@ -1,4 +1,12 @@
 <?php declare(strict_types=1);
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
 use PHPUnit\Framework\TestCase;
 
 final class Issue5164Test extends TestCase