code: def test_assert_is_a_marshmallow_clas():
      assert_is_a_marshmallow_class(ECDTrainerConfig)
      with pytest.raises(
          AssertionError, match=r"^Expected marshmallow class.*"
      ):
          assert_is_a_marshmallow_class(lcc.ConcatCombiner)
  
file_path: ludwig/tests/ludwig/marshmallow/test_marshmallow_misc.py
imports: import pytest
  from marshmallow_dataclass import dataclass
  import ludwig.combiners.combiners
  from ludwig.schema.trainer import ECDTrainerConfig
  from ludwig.schema.utils import assert_is_a_marshmallow_class, BaseMarshmallowConfig, load_config_with_kwargs
label_desc: Use image node_id 1 for calling a global function with example usage: test_assert_is_a_marshmallow_clas() without return types