assertEquals(lresult.get(0), b0);
assertEquals(lresult.get(1), a0);
assertEquals(lresult.get(2), a1);
assertEquals(lresult.get(3), a2);
lresult = listA.concat(mc.list());
assertEquals(lresult.length(), 3);
assertEquals(lresult.get(0), a0);
assertEquals(lresult.get(1), a1);
assertEquals(lresult.get(2), a2);