code: def test_end_to_end_cache_examples(self, patched_cache_folder):
      def concatenate(str1, str2):
          return f"{str1} {str2}"
  
      with gr.Blocks() as demo:
          t1 = gr.Textbox()
          t2 = gr.Textbox()
          t1.submit(concatenate, [t1, t2], t2)
  
          gr.Examples(
              examples=[["Hello,", "World"], ["Michael", "Jordan"]],
              inputs=[t1, t2],
              outputs=[t2],
              fn=concatenate,
              cache_examples=True,
              api_name="load_example",
          )
  
      app, _, _ = demo.launch(prevent_thread_lock=True)
      client = TestClient(app)
  
      response = client.post("/api/load_example/", json={"data": [0]})
      assert response.json()["data"] == [
          "Hello,",
          "World",
          "Hello, World",
      ]
  
      response = client.post("/api/load_example/", json={"data": [1]})
      assert response.json()["data"] == [
          "Michael",
          "Jordan",
          "Michael Jordan",
      ]
  
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 16 for calling the TestProcessExamples obj's underlying member method code with example usage: obj.test_end_to_end_cache_examples(patched_cache_folder) and returns: str1, str, str2