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

src/Bundle/ChillCustomFieldsBundle/Tests/Controller/CustomFieldsGroupControllerTest.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\CustomFieldsBundle\Tests\Controller;
 
 use Symfony\Bundle\FrameworkBundle\Client;
@@ -16,13 +25,13 @@ use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
  * @internal
  * @coversNothing
  */
-class CustomFieldsGroupControllerTest extends WebTestCase
+final class CustomFieldsGroupControllerTest extends WebTestCase
 {
     public function testCompleteScenario()
     {
         self::bootKernel(['environment' => 'test_customizable_entities_test_not_empty_config']);
         // Create a new client to browse the application
-        $client = static::createClient([], [
+        $client = self::createClient([], [
             'PHP_AUTH_USER' => 'admin',
             'PHP_AUTH_PW' => 'olala',
         ]);