docstr: Tests artiact repository bucket is retrieved from environment variable ARTIFACT_REPOSITORY_BUCKET
docstr_tok: ["Tests","artiact","repository","bucket","is","retrieved","from","environment","variable","ARTIFACT_REPOSITORY_BUCKET"]
code: def test_probe_artifact_repository_bucket(self):
      """
      Tests artiact repository bucket is retrieved from environment variable ARTIFACT_REPOSITORY_BUCKET
      """
      with patch.dict(
          "os.environ", {"ARTIFACT_REPOSITORY_BUCKET": "some bucket"}
      ):
          self.assertEqual(
              probe_artifact_repository_bucket(), "some bucket"
          )
  
imports: import unittest
  from unittest.mock import MagicMock, mock_open, patch
  from artifact_repository import *
label_desc: Use image node_id 18 for calling the TestArtifactRepositoryTool obj's underlying member method code with example usage: obj.test_probe_artifact_repository_bucket() without return types