Enforce DNS lookup on testing

Author: rennokki

tests/TestCase.php

@@ -94,6 +94,8 @@ protected function getEnvironmentSetUp($app)
             ],
         ]);
 
+        $app['config']->set('websockets.statistics.perform_dns_lookup', true);
+
         $app['config']->set('database.redis.default', [
             'host' => env('REDIS_HOST', '127.0.0.1'),
             'password' => env('REDIS_PASSWORD', null),