code: def test_SaveArgsToState__no_key():
      state = BaseAnalysis(
          children=[
              SaveArgsToState(
                  params_mapping={"train_data": "result_arg"}
              )
          ]
      ).fit()
      assert state.result_arg is None
  
file_path: autogluon/eda/tests/unittests/analysis/test_base.py
imports: from unittest.mock import MagicMock
  import pandas
  import pytest
  from autogluon.eda import AnalysisState
  from autogluon.eda.analysis import Namespace
  from autogluon.eda.analysis.base import AbstractAnalysis, BaseAnalysis, SaveArgsToState
label_desc: Use image node_id 10 for calling a global function with example usage: test_SaveArgsToState__no_key() without return types