Apply fixes from StyleCI (#526)

src/ChannelManagers/RedisChannelManager.php

@@ -12,7 +12,6 @@ use Illuminate\Cache\RedisLock;
 use Illuminate\Support\Facades\Redis;
 use Illuminate\Support\Str;
 use Ratchet\ConnectionInterface;
-use Ratchet\WebSocket\WsConnection;
 use React\EventLoop\LoopInterface;
 use React\Promise\PromiseInterface;
 use stdClass;

src/Console/Commands/StartServer.php

@@ -187,7 +187,7 @@ class StartServer extends Command
 
     /**
      * Configure the tracker that will delete
-     * from the store the connections that
+     * from the store the connections that.
      *
      * @return void
      */

src/Server/MockableConnection.php

@@ -23,21 +23,21 @@ class MockableConnection implements ConnectionInterface
     }
 
     /**
-     * Send data to the connection
+     * Send data to the connection.
      * @param  string  $data
      * @return \Ratchet\ConnectionInterface
      */
-    function send($data)
+    public function send($data)
     {
         //
     }
 
     /**
-     * Close the connection
+     * Close the connection.
      *
      * @return void
      */
-    function close()
+    public function close()
     {
         //
     }