CollectionFeature.KNOWN_ORDER,
                CollectionFeature.GENERAL_PURPOSE,
                CollectionFeature.SERIALIZABLE,
                CollectionFeature.ALLOWS_NULL_QUERIES)
            .named("ConcurrentSkipListMultiset")
            .createTestSuite());
    suite.addTestSuite(ConcurrentHashMultisetTest.class);
    return suite;
  }

  @AndroidIncompatible // test-suite builders