}

        @Override
        public InputStream getErrorStream() {
            return null; // Simulates server returning no error body
        }

        @Override
        public String getContentEncoding() {
            return null;
        }

        @Override
        public Map<String, List<String>> getHeaderFields() {
            return Collections.emptyMap();
        }
    }

    @Test

                        return new ByteArrayInputStream(new byte[0]);
                    } else if (con.getResponseCode() < 400) {
                        if (GZIP.equals(con.getContentEncoding())) {
                            return new GZIPInputStream(con.getInputStream());
                        } else {
                            return con.getInputStream();
                        }