code: def test_get_unknown_scheme():
      artifact_repository_registry = ArtifactRepositoryRegistry()
  
      with pytest.raises(
          mlflow.exceptions.MlflowException,
          match="Could not find a registered artifact repository",
      ):
          artifact_repository_registry.get_artifact_repository(
              "unknown-scheme://"
          )
  
file_path: mlflow/tests/store/artifact/test_artifact_repository_registry.py
imports: from importlib import reload
  from unittest import mock
  import pytest
  import mlflow
  from mlflow.store.artifact import artifact_repository_registry
  from mlflow.store.artifact.artifact_repository_registry import ArtifactRepositoryRegistry
label_desc: Use image node_id 4 for calling a global function with example usage: test_get_unknown_scheme() without return types