case 2:
assertEquals(true, multimap.containsKey(key.getKey(0), key.getKey(1)));
assertEquals(value, multimap.remove(key.getKey(0), key.getKey(1)));
assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1)));
assertEquals(size - 1, multimap.size());
assertEquals(null, multimap.remove(key.getKey(0), key.getKey(1)));
assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1)));
break;
case 3:
assertEquals(true, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2)));
assertEquals(value, multimap.remove(key.getKey(0), key.getKey(1), key.getKey(2)));
assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2)));
assertEquals(size - 1, multimap.size());
assertEquals(null, multimap.remove(key.getKey(0), key.getKey(1), key.getKey(2)));
assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2)));
break;
case 4:
assertEquals(true, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3)));
assertEquals(value, multimap.remove(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3)));
assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3)));
assertEquals(size - 1, multimap.size());
assertEquals(null, multimap.remove(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3)));
assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3)));
break;
case 5:
assertEquals(true, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), key.getKey(4)));
assertEquals(value, multimap.remove(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), key.getKey(4)));
assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), key.getKey(4)));
assertEquals(size - 1, multimap.size());