Update ResolvesDumpSourceTest.php

Author: iammursal

tests/Foundation/Concerns/ResolvesDumpSourceTest.php

@@ -2,7 +2,6 @@
 
 namespace Illuminate\Tests\Foundation\Configuration;
 
-use Illuminate\Auth\AuthManager;
 use Illuminate\Config\Repository as Config;
 use Illuminate\Container\Container;
 use Illuminate\Foundation\Concerns\ResolvesDumpSource;
@@ -14,8 +13,6 @@ protected function setUp(): void
     {
         $container = Container::setInstance(new Container);
 
-        $this->auth = new AuthManager($container);
-
         $container->singleton('config', function () {
             return $this->createConfig();
         });