instanceType, bucketName, mpartResp.UploadID)
	}

	req.Header = http.Header{}
	err = preSignV2(req, credentials.AccessKey, credentials.SecretKey, int64(10*60*60))
	if err != nil {
		t.Fatalf("[%s] - Failed to presignV2 an unsigned request to list object parts for bucket %s, uploadId %s",
			instanceType, bucketName, mpartResp.UploadID)
	}
	apiRouter.ServeHTTP(rec, req)