code: def test_completion_cloudflare():
      try:
          litellm.set_verbose = True
          response = completion(
              model="cloudflare/@cf/meta/llama-2-7b-chat-int8",
              messages=[
                  {"content": "what llm are you", "role": "user"}
              ],
              max_tokens=15,
              num_retries=3,
          )
          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 58 for calling a global function with example usage: test_completion_cloudflare() without return types