Holder<Integer> part2 = new Holder<Integer>();
part2.value = 0;
Holder<String> part1 = new Holder<String>();
part1.value = "part1";
port.orderedParamHolder(part3, part2, part1);
assertNotNull(part3.value);
assertEquals("check value", "return elem1", part3.value.getElem1());
assertEquals("check value", "return elem2", part3.value.getElem2());
assertEquals("check value", 1, part3.value.getElem3());