code: def test_filename_info_valid(filename):
      assert naming.FilenameInfo.is_valid(filename)
      assert filename == str(naming.FilenameInfo.from_str(filename))
  
imports: import os
  from absl.testing import parameterized
  from etils import epath
  import pytest
  from tensorflow_datasets import testing
  from tensorflow_datasets.core import naming
  from tensorflow_datasets.core import splits
label_desc: Use image node_id 11 for calling a global function with example usage: test_filename_info_valid(filename) without return types