code: def test_should_run_youtube_qa_app(self):
      app_path = Path("apps", "youtube_qa", "youtube_qa.py")
      input1 = "yes\n\n"  # Go with online video and default URL
      # Assuming that OPENAI_API_KEY is already set as an environment variable
      input2 = "What is this video on?\n"  # Question
      input3 = "exit\nexit\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 "Julia" or "Rate limit" in decoded_stdout
      print(decoded_stdout)
      print(stderr.decode())
  
file_path: evadb/test/app_tests/test_youtube_qa.py
imports: import os
  import subprocess
  import unittest
  from pathlib import Path
  from test.markers import chatgpt_skip_marker
  from test.util import get_evadb_for_testing, shutdown_ray
label_desc: Use image node_id 5 for calling the YoutubeQATest obj's underlying member method code with example usage: obj.test_should_run_youtube_qa_app() without return types