code: def setup_test_data(self, test_data_config: Optional[DictConfig]):
      self._test_dl = self.setup_dataloader_from_config(
          cfg=test_data_config
      )
  
imports: from typing import Dict, List, Optional, Tuple
  import torch
  from omegaconf import DictConfig, OmegaConf
  from pytorch_lightning import Trainer
  from transformers import AutoModel, BartForConditionalGeneration, EncoderDecoderModel
  from nemo.collections.common.metrics import Perplexity
  from nemo.collections.nlp.data.text2sparql import Text2SparqlDataset
  from nemo.collections.nlp.modules.common.tokenizer_utils import get_tokenizer
  from nemo.core.classes.common import typecheck
  from nemo.core.classes.modelPT import ModelPT
  from nemo.core.neural_types import ChannelType, MaskType, NeuralType
  from nemo.utils import logging
label_desc: Use image node_id 13 for calling the Text2SparqlModel obj's underlying member method code with example usage: obj.setup_test_data(test_data_config) without return types