@Test
 public void testEncode_withFlagsMac() throws UnsupportedEncodingException {
   System.out.println("encode f");
   // stackowerflow.com
   String data = "stackowerflow.com. A IN\n\r7\n\r-7";
   DNSJavaDecoder instance = new DNSJavaDecoder();
   ByteBuffer result = instance.encode(data);
   String exp = "3f3c000000010000000000000d737461636b6f776572666c6f7703636f6d0000010001";
   String res =
       JOrphanUtils.baToHexString(JMeterPluginsUtils.byteBufferToString(result).getBytes("cp866"));
   System.out.println(exp);
   System.out.println(res);
   assertEquals(exp.substring(8), res.substring(res.length() - exp.length() + 8));
 }