code: def test_get_llm_provider():
      _, response, _, _ = litellm.get_llm_provider(
          model="anthropic.claude-v2:1"
      )
  
      assert response == "bedrock"
  
imports: import sys, os
  import traceback
  from dotenv import load_dotenv
  import os, io
  import pytest
  import litellm
label_desc: Use image node_id 1 for calling a global function with example usage: test_get_llm_provider() without return types