code: def test_some_headers(self, patched_cache_folder):
      examples = gr.Examples(
          "test/test_files/images_log",
          [gr.Image(label="im"), gr.Text()],
      )
      assert examples.dataset.headers == ["im", ""]
  
imports: import asyncio
  import json
  import os
  import shutil
  import subprocess
  import tempfile
  import time
  from pathlib import Path
  from unittest.mock import patch
  import gradio_client
  import pytest
  from gradio_client import media_data
  from gradio_client import utils
  from pydub import AudioSegment
  from starlette.testclient import TestClient
  from tqdm import tqdm
  import gradio
  from gradio import utils
label_desc: Use image node_id 3 for calling the TestExamplesDataset obj's underlying member method code with example usage: obj.test_some_headers(patched_cache_folder) without return types