Applied fixes from StyleCI

Author: estahn

tests/AssertClassTest.php

@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the phpunit-json-assertions package.
+ *
+ * (c) Enrico Stahn <enrico.stahn@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace EnricoStahn\JsonAssert\Tests;
 
 use EnricoStahn\JsonAssert\AssertClass;