@Test
  public void testRevID() {
    byte[] result = instance.getRevID();
    assertEquals('a', result[0]);
    assertEquals('b', result[1]);
    assertEquals('c', result[2]);
    assertEquals('d', result[3]);
  }
Test ResponseMessage parsing returned by TapDelete.
src/test/java/net/spy/memcached/tapmessage/TapDeleteTest.java