getContainsEntryWithIncomparableKeyMethod(),
        getContainsEntryWithIncomparableValueMethod());
  }

  @Override
  protected Collection<Method> suppressForConcurrentHashMap() {
    /*
     * The entrySet() of ConcurrentHashMap, unlike that of other Map
     * implementations, supports add() under JDK8. This seems problematic, but I

    return emptySet();
  }

  protected Collection<Method> suppressForEnumMap() {
    return emptySet();
  }

  protected Collection<Method> suppressForConcurrentHashMap() {
    return emptySet();
  }

  protected Collection<Method> suppressForConcurrentSkipListMap() {
    return asList(
        MapEntrySetTester.getSetValueMethod(),