made some refactoring

tests/ObserverTest.php

@@ -9,7 +9,7 @@
 
 declare(strict_types = 1);
 
-namespace App\Tests;
+namespace Tests;
 
 use Pattern\Behavioral\Observer\User;
 use Pattern\Behavioral\Observer\UserObserver;
@@ -19,6 +19,7 @@ class ObserverTest extends TestCase
 {
     public function testObserver(): void
     {
+
         $user = new User();
 
         /** These names will be skipped and not be added to the log of names */