code: def test_as_dict_works(self) -> None:
      value = self.card.field("field2").as_dict(str)
  
      assert value == {"sub-field2": "sub-foo2"}
  
imports: from os import PathLike
  from pathlib import Path
  import pytest
  from fairseq2.assets import AssetCard, AssetCardError, AssetCardFieldNotFoundError
label_desc: Use image node_id 11 for calling the TestAssetCard obj's underlying member method code with example usage: obj.test_as_dict_works() without return types