code: def example_test_sample(self):
      return self.example_train_sample
  
imports: import contextlib
  import os
  import tempfile
  from pathlib import Path
  from typing import Any
  import flash
  import pytest
  import torch
  from flash.core.data.io.input import DataKeys
  from flash.core.utilities.imports import _FIFTYONE_AVAILABLE, _TOPIC_VIDEO_AVAILABLE
  from flash.video import VideoClassificationData, VideoClassifier
  from pandas import DataFrame
  from torch import Tensor
  from torch.utils.data import SequentialSampler
  from tests.helpers.task_tester import TaskTester
  from tests.video.classification.test_data import create_dummy_video_frames, temp_encoded_tensors
label_desc: Use image node_id 5 for calling the TestVideoClassifier obj's underlying member method code with example usage: obj.example_test_sample() and returns: self