code: def test_should_run_youtube_channel_qa_app(self):
      app_path = Path(
          "apps", "youtube_channel_qa", "youtube_channel_qa.py"
      )
      input1 = "\n\n\n"  # Download just one video from the default channel in the default order.
      # Assuming that OPENAI_API_KEY is already set as an environment variable
      input2 = "What is this video about?\n"  # Question
      input3 = "exit\n"  # Exit
      inputs = input1 + input2 + input3
      command = ["python", app_path]
  
      process = subprocess.Popen(
          command,
          stdin=subprocess.PIPE,
          stdout=subprocess.PIPE,
          stderr=subprocess.PIPE,
      )
      stdout, stderr = process.communicate(inputs.encode())
  
      decoded_stdout = stdout.decode()
      assert (
          "keyboards" or "AliExpress" or "Rate limit" in decoded_stdout
      )
      print(decoded_stdout)
      print(stderr.decode())
  
file_path: evadb/test/app_tests/test_youtube_channel_qa.py
imports: import os
  import subprocess
  import unittest
  from pathlib import Path
  from test.util import get_evadb_for_testing, shutdown_ray
label_desc: Use image node_id 5 for calling the YoutubeChannelQATest obj's underlying member method code with example usage: obj.test_should_run_youtube_channel_qa_app() without return types