diff --git a/tests/SenderTest.php b/tests/SenderTest.php
index 00fe009..e3eecfd 100644
--- a/tests/SenderTest.php
+++ b/tests/SenderTest.php
@@ -62,7 +62,7 @@ public function testSenderResult()
             ],
         ]);
         $sender = new Sender($container);
-        $sender->setResponse(1, new class() {
+        $sender->setResponse(1, new class {
             public function push($data)
             {
                 return true;