code: def test_batch_completion_models_all_responses():
      try:
          responses = batch_completion_models_all_responses(
              models=["j2-light", "claude-instant-1.2"],
              messages=[{"role": "user", "content": "write a poem"}],
              max_tokens=10,
          )
          print(responses)
          assert len(responses) == 2
      except Timeout as e:
          pass
      except Exception as e:
          pytest.fail(f"An error occurred: {e}")
  
file_path: litellm/litellm/tests/test_batch_completions.py
imports: import sys, os
  import traceback
  import pytest
  from openai import APITimeoutError
  import litellm
  from litellm import batch_completion, batch_completion_models, completion, batch_completion_models_all_responses
label_desc: Use image node_id 3 for calling a global function with example usage: test_batch_completion_models_all_responses() without return types