code: def test_init_validation_and_cleaning():
      with mock.patch(
          DBFS_ARTIFACT_REPOSITORY_PACKAGE
          + "._get_host_creds_from_default_store",
          return_value=lambda: MlflowHostCreds("http://host"),
      ):
          repo = get_artifact_repository("dbfs:/test/")
          assert repo.artifact_uri == "dbfs:/test"
          match = "DBFS URI must be of the form dbfs:/<path>"
          with pytest.raises(MlflowException, match=match):
              DbfsRestArtifactRepository("s3://test")
          with pytest.raises(MlflowException, match=match):
              DbfsRestArtifactRepository(
                  "dbfs://profile@notdatabricks/test/"
              )
  
imports: import json
  import os
  from unittest import mock
  from unittest.mock import Mock
  import pytest
  from mlflow.exceptions import MlflowException
  from mlflow.store.artifact.artifact_repository_registry import get_artifact_repository
  from mlflow.store.artifact.dbfs_artifact_repo import DbfsRestArtifactRepository, _get_host_creds_from_default_store
  from mlflow.store.tracking.file_store import FileStore
  from mlflow.store.tracking.rest_store import RestStore
  from mlflow.utils.rest_utils import MlflowHostCreds, http_request
label_desc: Use image node_id 4 for calling a global function with example usage: test_init_validation_and_cleaning() without return types