code: def test_example_caching_relaunch(connect):
      def combine(a, b):
          return a + " " + b
  
      with gr.Blocks() as demo:
          txt = gr.Textbox(label="Input")
          txt_2 = gr.Textbox(label="Input 2")
          txt_3 = gr.Textbox(value="", label="Output")
          btn = gr.Button(value="Submit")
          btn.click(combine, inputs=[txt, txt_2], outputs=[txt_3])
          gr.Examples(
              [["hi", "Adam"], ["hello", "Eve"]],
              [txt, txt_2],
              txt_3,
              combine,
              cache_examples=True,
              api_name="examples",
          )
  
      with connect(demo) as client:
          assert client.predict(1, api_name="/examples") == (
              "hello",
              "Eve",
              "hello Eve",
          )
  
      # Let the server shut down
      time.sleep(1)
  
      with connect(demo) as client:
          assert client.predict(1, api_name="/examples") == (
              "hello",
              "Eve",
              "hello Eve",
          )
  
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 2 for calling a global function with example usage: test_example_caching_relaunch(connect) and returns: unknown