CollectionFeature.SERIALIZABLE,
CollectionFeature.ALLOWS_NULL_QUERIES)
.createTestSuite());
suite.addTest(NavigableSetTestSuiteBuilder.using(
new ImmutableSortedSetTailsetGenerator())
.named(ImmutableSortedSetTest.class.getName() + ", tailset")
.withFeatures(CollectionSize.ANY, CollectionFeature.KNOWN_ORDER,
CollectionFeature.SERIALIZABLE,
CollectionFeature.ALLOWS_NULL_QUERIES)
.createTestSuite());