code: def test_set_works(self) -> None:
      self.card.field("field1").set("xyz")
  
      value = self.card.field("field1").as_(str)
  
      assert value == "xyz"
  
      self.card.field("field2").field("sub-field3").field("field").set(
          "foo3"
      )
  
      value = (
          self.card.field("field2")
          .field("sub-field3")
          .field("field")
          .as_(str)
      )
  
      assert value == "foo3"
  
imports: from os import PathLike
  from pathlib import Path
  import pytest
  from fairseq2.assets import AssetCard, AssetCardError, AssetCardFieldNotFoundError
label_desc: Use image node_id 22 for calling the TestAssetCard obj's underlying member method code with example usage: obj.test_set_works() without return types