code: def test_completion_with_fallbacks():
      print(
          f"RUNNING TEST COMPLETION WITH FALLBACKS -  test_completion_with_fallbacks"
      )
      fallbacks = ["gpt-3.5-turbo", "gpt-3.5-turbo", "command-nightly"]
      try:
          response = completion(
              model="bad-model",
              messages=messages,
              force_timeout=120,
              fallbacks=fallbacks,
          )
          # Add any assertions here to check the response
          print(response)
      except Exception as e:
          pytest.fail(f"Error occurred: {e}")
  
imports: import sys, os
  import traceback
  from dotenv import load_dotenv
  import os, io
  import pytest
  import litellm
  from litellm import embedding, completion, completion_cost, Timeout
  from litellm import RateLimitError
  import openai
label_desc: Use image node_id 46 for calling a global function with example usage: test_completion_with_fallbacks() without return types