code: def test_unsupported_model_name_raises_in_chat_parsing_route_configuration():
      with pytest.raises(
          MlflowException, match="An invalid model has been specified"
      ):
          RouteConfig(**unsupported_mosaic_chat_model_config())
  
imports: from unittest import mock
  import pytest
  from aiohttp import ClientTimeout
  from fastapi import HTTPException
  from fastapi.encoders import jsonable_encoder
  from pydantic import ValidationError
  from mlflow import MlflowException
  from mlflow.gateway.config import RouteConfig
  from mlflow.gateway.constants import MLFLOW_GATEWAY_ROUTE_TIMEOUT_SECONDS
  from mlflow.gateway.providers.mosaicml import MosaicMLProvider
  from mlflow.gateway.schemas import chat, completions, embeddings
  from mlflow.gateway.schemas.chat import RequestMessage
  from tests.gateway.tools import MockAsyncResponse
label_desc: Use image node_id 11 for calling a global function with example usage: test_unsupported_model_name_raises_in_chat_parsing_route_configuration() without return types