List<Class<? extends AbstractTester>> testers = Helpers.copyToList(super.getTesters());
    testers.add(SortedMapNavigationTester.class);
    return testers;
  }

  @Override
  public TestSuite createTestSuite() {
    if (!getFeatures().contains(KNOWN_ORDER)) {
      List<Feature<?>> features = Helpers.copyToList(getFeatures());
      features.add(KNOWN_ORDER);
      withFeatures(features);
    }

        getSet().equals(MinimalSet.from(moreElements)));
  }

  public void testEquals_list() {
    assertFalse("A List should never equal a Set.", getSet().equals(Helpers.copyToList(getSet())));
  }

    return result;
  }

  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {
    List<Class<? extends AbstractTester>> testers = Helpers.copyToList(super.getTesters());
    testers.addAll(ConcurrentMapTestSuiteBuilder.TESTERS);
    return testers;
  }

  @Override
  NavigableMapTestSuiteBuilder<K, V> subSuiteUsing(TestSortedMapGenerator<K, V> generator) {

  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {
    List<Class<? extends AbstractTester>> testers = Helpers.copyToList(super.getTesters());
    testers.addAll(TESTERS);
    return testers;
  }

  private Entry<K, V> c;

  @Override
  public void setUp() throws Exception {
    super.setUp();
    navigableMap = (SortedMap<K, V>) getMap();
    List<Entry<K, V>> entries =
        Helpers.copyToList(
            getSubjectGenerator()
                .getSampleElements(getSubjectGenerator().getCollectionSize().getNumElements()));
    Collections.sort(entries, Helpers.<K, V>entryComparator(navigableMap.comparator()));

  }

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testRetainAllIgnoresCount() {
    initThreeCopies();
    List<E> contents = Helpers.copyToList(getMultiset());
    assertFalse(getMultiset().retainAll(Collections.singleton(e0())));
    expectContents(contents);
  }

  /**

  }

  private void runListIteratorTest(Set<IteratorFeature> features) {
    new ListIteratorTester<E>(
        listListIteratorTesterNumIterations(),
        singleton(e4()),
        features,
        Helpers.copyToList(getOrderedElements()),
        0) {
      @Override
      protected ListIterator<E> newTargetIterator() {
        resetCollection();
        return getList().listIterator();
      }

      @Override

  private @Nullable E b;
  private @Nullable E c;

  @Override
  public void setUp() throws Exception {
    super.setUp();
    sortedSet = (SortedSet<E>) getSet();
    values =
        Helpers.copyToList(
            getSubjectGenerator()
                .getSampleElements(getSubjectGenerator().getCollectionSize().getNumElements()));
    Collections.sort(values, sortedSet.comparator());

  }

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require(value = KNOWN_ORDER, absent = NON_STANDARD_TOSTRING)
  public void testToString_sizeSeveral() {
    String expected = Helpers.copyToList(getOrderedElements()).toString();
    assertEquals("collection.toString() incorrect", expected, collection.toString());
  }

  @CollectionSize.Require(absent = ZERO)
  @CollectionFeature.Require(ALLOWS_NULL_VALUES)

          "Wrong value for key " + entry.getKey(), entry.getValue(), getMap().get(entry.getKey()));
    }
  }

  protected final void expectReplacement(Entry<K, V> newEntry) {
    List<Entry<K, V>> expected = Helpers.copyToList(getSampleElements());
    replaceValue(expected, newEntry);
    expectContents(expected);
  }

  private void replaceValue(List<Entry<K, V>> expected, Entry<K, V> newEntry) {