title: laravel event not send to pusher
body: <p>i have pusher app, then i try to send message to pusher by laravel event, this is my event : </p>
  
  <pre><code>namespace App\Events;
  
  use Illuminate\Broadcasting\Channel;
  use Illuminate\Queue\SerializesModels;
  use Illuminate\Broadcasting\PrivateChannel;
  use Illuminate\Broadcasting\PresenceChannel;
  use Illuminate\Foundation\Events\Dispatchable;
  use Illuminate\Broadcasting\InteractsWithSockets;
  use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
  
  class NewOrder
  {
      use Dispatchable, InteractsWithSockets, SerializesModels;
      public $email;
      public $message;
  
  
      public function __construct($email)
      {
          $this-&gt;email = $email;
          $this-&gt;message = "New order from {$email}, please check.";
          //
      }
  
      public function broadcastOn()
      {
          return ['new-order'];
      }
  
  }
  </code></pre>
  
  <p>and i try to test it with route test,</p>
  
  <pre><code>Route::get('test', function () {
      event(new App\Events\NewOrder('John'));
      return "Event has been sent!";
  });
  </code></pre>
  
  <p>my pusher configuration have been configured like my pusher's account configuration, but after access <code>/test</code> , the pusher debug console doesn't show anything.</p>
  
  <p><a href="https://i.stack.imgur.com/VHOdh.png" rel="noreferrer"><img src="https://i.stack.imgur.com/VHOdh.png" alt="enter image description here"></a>
  this is my broadcasting.php</p>
  
  <pre><code>    'default' =&gt; env('BROADCAST_DRIVER', 'pusher'),
  
  
      'connections' =&gt; [
  
          'pusher' =&gt; [
              'driver' =&gt; 'pusher',
              'key' =&gt; env('PUSHER_APP_KEY'),
              'secret' =&gt; env('PUSHER_APP_SECRET'),
              'app_id' =&gt; env('PUSHER_APP_ID'),
              'options' =&gt; [
                  'cluster' =&gt; env('PUSHER_APP_CLUSTER'),
                  // 'cluster' =&gt; 'ap1',
                  'encrypted' =&gt; true,
              ],
          ],
  
          'redis' =&gt; [
              'driver' =&gt; 'redis',
              'connection' =&gt; 'default',
          ],
  
          'log' =&gt; [
              'driver' =&gt; 'log',
          ],
  
          'null' =&gt; [
              'driver' =&gt; 'null',
          ],
  
      ],
  
  ];
  </code></pre>
  
  <p>i don't know to see pusher's log from laravel app, anyone can help me?
  i'm using laravel 5.5</p>