code: def _expected_unsupported_method_error_message(method):
      return f"Method '{method}' is unsupported for models in the Workspace Model Registry"
  
imports: import pytest
  from mlflow.exceptions import MlflowException
  from mlflow.store.model_registry.databricks_workspace_model_registry_rest_store import DatabricksWorkspaceModelRegistryRestStore
  from mlflow.utils.rest_utils import MlflowHostCreds
label_desc: Use image node_id 3 for calling a global function with example usage: _expected_unsupported_method_error_message(method) and returns: str, method, str