code: def test_build_dataclass_insufficient():
      args = Namespace(a="foo")
      with pytest.raises(ValueError):
          build_dataclass(A, args)
  
imports: import dataclasses
  from argparse import Namespace
  import pytest
  from espnet2.utils.build_dataclass import build_dataclass
label_desc: Use image node_id 2 for calling a global function with example usage: test_build_dataclass_insufficient() without return types