def METHOD_NAME():
    class AdditionalItem(ConfigSchema):
        """
        This class is wrong
        ---
        field: nope
        nothing: really nothing
        """
        nothing: str
    with raises(DataDescriptionError):
        _ = AdditionalItem.json_schema()
    class WrongDescription(ConfigSchema):
        """
        This class is wrong
        ---
        other: description
        """
        nothing: str
    with raises(DataDescriptionError):
        _ = WrongDescription.json_schema()