public void testBuiltin() throws EvaluationException {

    ITerm daytimeduration = Factory.CONCRETE.createDayTimeDuration(true, 0, 2, 0, 0, 0);
    ITerm time1 = Factory.CONCRETE.createTime(10, 4, 26.3, 0, 0);
    ITerm result = Factory.CONCRETE.createTime(12, 4, 26.3, 0, 0);

    AddBuiltin builtin = new AddDayTimeDurationToTimeBuiltin(X, Y, Z);

    args = Factory.BASIC.createTuple(time1, daytimeduration, result);
    actual = builtin.evaluate(args);

    assertEquals(EMPTY_TUPLE, actual);
  }