cal.set(Calendar.HOUR_OF_DAY, 12);
cal.set(Calendar.MINUTE, 30);
cal.set(Calendar.SECOND, 45);
cal.set(Calendar.MILLISECOND, 150);
assertEquals(cal.getTime(), wrapper.convert(Date.class));
ByteArrayOutputStream out = new ByteArrayOutputStream();
wrapper.marshal(out);
byte[] expected = ("<date>" + value + "</date>").getBytes();