Fix PHP CS Fixer style in AccountControllerTest

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

tests/Controller/AccountControllerTest.php

@@ -16,7 +16,6 @@ class AccountControllerTest extends WebTestCase
         self::assertResponseRedirects();
     }
 
-
     public function testAccountReturnsSuccessWhenAuthenticated(): void
     {
         $client = static::createClient();