ChipNumberDataConvertor implements DataConvertor<String> { @Override public String convert(byte[] value) { StringBuilder result = new StringBuilder(); for (byte b : value) { result.append(String.format("%02X", b)); } return result.toString(); }  @Override String convert(byte[] value);  }
@Test public void convertsTheIdCorrectly() { assertEquals("01A03956", new ChipNumberDataConvertor().convert(ID)); }