source.getList().add(1);
source.getList().add(2);
source.getSubordinates().add(new StringContainer("John"));
EmployeeType result = mapper.map(source, EmployeeType.class);
assertNotNull(result);
assertEquals(2, result.getIds().size());
assertTrue(result.getIds().contains(1));
assertTrue(result.getIds().contains(2));
assertEquals(1, result.getSubordinates().size());
assertEquals("John", result.getSubordinates().get(0).getFirstName());
}