diff --git a/tests/ReverbTestCase.php b/tests/ReverbTestCase.php
index 5e15ec66..3d4596ac 100644
--- a/tests/ReverbTestCase.php
+++ b/tests/ReverbTestCase.php
@@ -231,6 +231,7 @@ public function messagePromise(WebSocket $connection)
         $promise = new Deferred;
 
         $connection->on('message', function ($message) use ($promise) {
+            dump($message);
             $promise->resolve((string) $message);
         });