code: def test_multipart_openapi_request_responses():
      request_body = example.openapi_request_body()
      assert request_body["required"]
  
      responses = example.openapi_responses()
  
      assert responses["content"]
  
file_path: BentoML/tests/unit/_internal/io/test_multipart.py
imports: from __future__ import annotations
  import io
  from typing import TYPE_CHECKING
  import pytest
  from bentoml._internal.utils import LazyLoader
  from bentoml.exceptions import InvalidArgument
  from bentoml.grpc.utils import import_generated_stubs
  from bentoml.io import JSON
  from bentoml.io import Image
  from bentoml.io import Multipart
  from bentoml.io import Text
label_desc: Use image node_id 3 for calling a global function with example usage: test_multipart_openapi_request_responses() without return types