list2.addTuple(new Member[]{storeUsaMember, genderFMember});
assertFalse(list2.isEmpty());
assertEquals(1, list2.size());
assertEquals(list1, list2);
list2.clear();
assertEquals(list0, list2);
assertEquals(list2, list0);
assertEquals("[]", list0.toString());
assertEquals("[[[Store].[USA], [Gender].[F]]]", list1.toString());