[Locale] add license docblock to LocaleTestCase

tests/Symfony/Tests/Component/Locale/TestCase.php

@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Symfony\Tests\Component\Locale;
 
 abstract class TestCase extends \PHPUnit_Framework_TestCase