diff --git a/tests/HipChatDriverTest.php b/tests/HipChatDriverTest.php
index 8654474..f622331 100644
--- a/tests/HipChatDriverTest.php
+++ b/tests/HipChatDriverTest.php
@@ -255,7 +255,7 @@ public function it_builds_the_correct_payload()
 
         // Now if the user wants to set the format to HTML
         $payload = $driver->buildServicePayload('Test message', $message, [
-            'message_format' => 'html'
+            'message_format' => 'html',
         ]);
 
         $this->assertEquals('html', $payload['message_format']);