assertEquals(intSet, result); // Non-entity collections are registered as-is
    }

    public void test_register_mixedList() {
        RenderData data = new RenderData();

        BsUser entity = new BsUser();
        entity.setName("entity");

        // List with first element being Entity
        List<Object> mixedList = new ArrayList<>();
        mixedList.add(entity);
        mixedList.add("string");

        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new DataConfig()).map(entity -> {
                entity.setCreatedBy(username);
                entity.setCreatedTime(currentTime);
                return entity;
            });
        case CrudMode.EDIT:
            if (form instanceof EditForm) {

    @Override
    public void acceptPrimaryKeyMap(Entity entity, Map<String, ? extends Object> primaryKeyMap) {
    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override
    public Map<String, Object> extractPrimaryKeyMap(Entity entity) {
        return null;
    }

    @Override

        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new FileConfig()).map(entity -> {
                entity.setCreatedBy(username);
                entity.setCreatedTime(currentTime);
                return entity;
            });
        case CrudMode.EDIT:
            if (form instanceof EditForm) {

            }
        }).map(entity -> {
            entity.setErrorCount(entity.getErrorCount() + 1);
            return entity;
        }).orElseGet(() -> {
            final FailureUrl entity = new FailureUrl();
            entity.setErrorCount(1);
            entity.setUrl(url);
            if (crawlingConfig != null) {
                entity.setConfigId(crawlingConfig.getConfigId());
            }

        return getEntity(form, username, currentTime).map(entity -> {
            entity.setUpdatedBy(username);
            entity.setUpdatedTime(currentTime);
            copyBeanToBean(form, entity, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
            return entity;
        });
    }

        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new WebConfig()).map(entity -> {
                entity.setCreatedBy(username);
                entity.setCreatedTime(currentTime);
                return entity;
            });
        case CrudMode.EDIT:
            if (form instanceof EditForm) {

        return getEntity(form, username, currentTime).map(entity -> {
            entity.setUpdatedBy(username);
            entity.setUpdatedTime(currentTime);
            copyBeanToBean(form, entity, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
            return entity;
        });
    }

    @Override
    public void acceptPrimaryKeyMap(Entity entity, Map<String, ? extends Object> primaryKeyMap) {
    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override
    public Map<String, Object> extractPrimaryKeyMap(Entity entity) {
        return null;
    }

    @Override

    @Override
    public void acceptPrimaryKeyMap(Entity entity, Map<String, ? extends Object> primaryKeyMap) {
    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override
    public Map<String, Object> extractPrimaryKeyMap(Entity entity) {
        return null;
    }

    @Override