code: def invalid_config_dict():
      return {
          "routes": [
              {
                  "invalid_name": "invalid",
                  "route_type": "llm/v1/chat",
                  "model": {
                      "invalidkey": "invalid",
                      "invalid_provider": "invalid",
                  },
              }
          ]
      }
  
file_path: mlflow/tests/gateway/test_runner.py
imports: from pathlib import Path
  import pytest
  from tests.gateway.tools import Gateway, save_yaml
label_desc: Use image node_id 5 for calling a global function with example usage: invalid_config_dict() and returns: dict