Fix unit test

Author: budirec

test/unit/MockClient.php

@@ -10,11 +10,11 @@ class MockClient extends Client
     protected $requestHeaders;
     protected $url;
 
-    public function makeRequest($method, $url, $requestBody = null, $requestHeaders = null)
+    public function makeRequest($method, $url, $requestBody = null, $requestHeaders = null, $retryOnLimit = false)
     {
         $this->requestBody = $requestBody;
         $this->requestHeaders = $requestHeaders;
         $this->url = $url;
         return $this;
     }
-}
+}