code: def test_files():
      files = im.files("foo-bar")
      assert len(files) == 1
      assert files[0].name == "foo_bar.py"
      assert files[0].size == 20
  
file_path: catboost/library/python/runtime_py3/test/test_metadata.py
imports: import importlib.metadata
  import pytest
label_desc: Use image node_id 5 for calling a global function with example usage: test_files() without return types