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

src/Bundle/ChillPersonBundle/Tests/Security/Authorization/PersonVoterTest.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\PersonBundle\Tests\Security\Authorization;
 
 use Chill\MainBundle\Entity\Center;
@@ -24,7 +33,7 @@ use Symfony\Component\Security\Core\Authorization\Voter\VoterInterface;
  * @internal
  * @coversNothing
  */
-class PersonVoterTest extends KernelTestCase
+final class PersonVoterTest extends KernelTestCase
 {
     use PrepareCenterTrait;
     use PrepareScopeTrait;
@@ -42,8 +51,8 @@ class PersonVoterTest extends KernelTestCase
 
     public function setUp()
     {
-        static::bootKernel();
-        $this->voter = static::$container
+        self::bootKernel();
+        $this->voter = self::$container
             ->get('chill.person.security.authorization.person');
         $this->prophet = new \Prophecy\Prophet();
     }