suite.addTest(
        ListTestSuiteBuilder.using(new UnhashableElementsImmutableListGenerator())
            .suppressing(ListHashCodeTester.getHashCodeMethod())
            .named("ImmutableList, unhashable values")
            .withFeatures(CollectionSize.ANY, ALLOWS_NULL_QUERIES)
            .createTestSuite());
    return suite;
  }

  // Creation tests

  public void testCreation_noArgs() {

    suite.addTest(
        ListTestSuiteBuilder.using(new UnhashableElementsImmutableListGenerator())
            .suppressing(ListHashCodeTester.getHashCodeMethod())
            .named("ImmutableList, unhashable values")
            .withFeatures(CollectionSize.ANY, ALLOWS_NULL_QUERIES)
            .createTestSuite());
    return suite;
  }

  // Creation tests

  public void testCreation_noArgs() {

            .withFeatures(
                CollectionSize.ANY,
                CollectionFeature.KNOWN_ORDER,
                CollectionFeature.ALLOWS_NULL_QUERIES)
            .named("ImmutableMap.values, unhashable")
            .createTestSuite());

    suite.addTest(
        ListTestSuiteBuilder.using(new ImmutableMapKeyListGenerator())
            .named("ImmutableMap.keySet.asList")
            .withFeatures(

        NavigableSetTestSuiteBuilder.using(new ImmutableSortedSetUnhashableGenerator())
            .suppressing(SetHashCodeTester.getHashCodeMethods())
            .named(ImmutableSortedSetTest.class.getName() + ", unhashable")
            .withFeatures(
                CollectionSize.ANY,
                CollectionFeature.KNOWN_ORDER,
                CollectionFeature.ALLOWS_NULL_QUERIES)
            .createTestSuite());