}

    /**
     * Mock HttpURLConnection that returns GZIP-compressed content for successful responses.
     */
    class GzipSuccessMockHttpURLConnection extends HttpURLConnection {
        private final byte[] gzippedData;

        GzipSuccessMockHttpURLConnection(URL u, byte[] gzippedData) {
            super(u);
            this.gzippedData = gzippedData;
        }

        @Override