code: def test_get_filesystem(self) -> None:
      with tempfile.TemporaryDirectory() as temp_dir:
          self._test_operations(
              fs=get_filesystem(temp_dir),
              directory=temp_dir,
              filename="test_fs.txt",
          )
  
file_path: tnt/tests/utils/test_fsspec.py
imports: import os
  import tempfile
  import unittest
  from typing import Any
  import fsspec
  from torchtnt.utils.fsspec import get_filesystem
label_desc: Use image node_id 2 for calling the FsTest obj's underlying member method code with example usage: obj.test_get_filesystem() without return types