// String[]s and their values are in stable alphabetical order.
//
PropertyPermutations perms = new PropertyPermutations(md.getProperties(),
md.getActiveLinkerNames());
List<PropertyPermutations> collapsed = perms.collapseProperties();
assertEquals("size", 2, collapsed.size());
Iterator<String[]> it = collapsed.get(0).iterator();
assertEquals(Arrays.asList("false", "ie6"), Arrays.asList(it.next()));
assertEquals(Arrays.asList("false", "moz"), Arrays.asList(it.next()));