CS fix

Author: Stepan Zolotarev

tests/Retry/SimpleRetryStrategyTest.php

@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @author Stepan Zolotarev
  */
@@ -164,4 +165,4 @@ public function backoff(): void
         self::assertArrayHasKey('message_class', $data);
         self::assertSame($data['message_class'], EntryPointTestMessage::class);
     }
-}
+}