// initialize httptest Recorder, this records any mutations to response writer inside the handler.
		rec := httptest.NewRecorder()
		// construct HTTP request
		req, err := newTestSignedRequestV4(testCase.method, getBucketLifecycleURL("", testCase.bucketName),
			int64(len(testCase.body)), bytes.NewReader(testCase.body), testCase.accessKey, testCase.secretKey, nil)
		if err != nil {

	queryValue := url.Values{}
	queryValue.Set("location", "")
	return makeTestTargetURL(endPoint, bucketName, "", queryValue)
}

// return URL For set/get lifecycle of the bucket.
func getBucketLifecycleURL(endPoint, bucketName string) (ret string) {
	queryValue := url.Values{}
	queryValue.Set("lifecycle", "")
	return makeTestTargetURL(endPoint, bucketName, "", queryValue)
}