code: def test_resfs_files():
      metadata_path = (
          "contrib/python/py/py{}/.dist-info/METADATA".format(
              "2" if six.PY2 else "3"
          )
      )
      assert metadata_path in set(rs.resfs_files())
  
imports: import six
  import library.python.resource
label_desc: Use image node_id 3 for calling a global function with example usage: test_resfs_files() without return types