code: def test_relative_path():
      assert (
          _relative_path_remote("/dir/some", "/dir/some/path/file.txt")
          == "path/file.txt"
      )
      assert _relative_path_remote("/dir/some", "/dir/some") is None
  
imports: import os
  import sys
  from io import BufferedReader
  from tempfile import NamedTemporaryFile
  from unittest import mock
  from unittest.mock import ANY, call, mock_open
  import pytest
  from pyarrow import HadoopFileSystem
  from mlflow.entities import FileInfo
  from mlflow.store.artifact.hdfs_artifact_repo import HdfsArtifactRepository, _download_hdfs_file, _parse_extra_conf, _relative_path_remote, _resolve_base_path
  from mlflow.utils.file_utils import TempDir
label_desc: Use image node_id 10 for calling a global function with example usage: test_relative_path() without return types