code: def test_artifact_uri_factory():
      repo = get_artifact_repository("gs://test_bucket/some/path")
      assert isinstance(repo, GCSArtifactRepository)
  
imports: import os
  import posixpath
  from unittest import mock
  import pytest
  import requests
  from google.auth.exceptions import DefaultCredentialsError
  from google.cloud.storage import client
  from mlflow.entities.multipart_upload import MultipartUploadPart
  from mlflow.store.artifact.artifact_repository_registry import get_artifact_repository
  from mlflow.store.artifact.gcs_artifact_repo import GCSArtifactRepository, GCSMPUArguments
  from tests.helper_functions import mock_method_chain
label_desc: Use image node_id 2 for calling a global function with example usage: test_artifact_uri_factory() without return types