cs: Switch to a stricter way of coding - this might break in a lot of places.

src/Bundle/ChillMainBundle/Tests/Controller/LoginControllerTest.php

@@ -7,6 +7,15 @@
  * the LICENSE file that was distributed with this source code.
  */
 
+declare(strict_types=1);
+
+/**
+ * Chill is a software for social workers.
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
 namespace Chill\MainBundle\Tests\Controller;
 
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
@@ -16,11 +25,11 @@ use Symfony\Component\HttpFoundation\Response;
  * @internal
  * @coversNothing
  */
-class LoginControllerTest extends WebTestCase
+final class LoginControllerTest extends WebTestCase
 {
     public function testLogin()
     {
-        $client = static::createClient();
+        $client = self::createClient();
 
         //load login page and submit form
         $crawler = $client->request('GET', '/login');