code: def test_completion_mistral_api():
      try:
          litellm.set_verbose = True
          response = completion(
              model="mistral/mistral-tiny",
              max_tokens=5,
              messages=[
                  {
                      "role": "user",
                      "content": "Hey, how's it going?",
                  }
              ],
          )
          # Add any assertions here to check the response
          print(response)
  
          cost = litellm.completion_cost(completion_response=response)
          print("cost to make mistral completion=", cost)
          assert cost > 0.0
      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 5 for calling a global function with example usage: test_completion_mistral_api() without return types