Multimap<Color, Integer> multimap = Multimaps.newMultimap(map, factory);
    assertTrue(multimap.get(Color.BLUE) instanceof NavigableSet);
  }

  public void testNewMultimapValueCollectionMatchesList() {
    Supplier<LinkedList<Integer>> factory = new ListSupplier();
    Map<Color, Collection<Integer>> map = Maps.newEnumMap(Color.class);
    Multimap<Color, Integer> multimap = Multimaps.newMultimap(map, factory);