code: def test_statecheckmixin_at_least_one_key_must_be_present():
      assert (
          StateCheckMixin().at_least_one_key_must_be_present(
              AnalysisState(q=42, w=43), "missing"
          )
          is False
      )
      assert (
          StateCheckMixin().at_least_one_key_must_be_present(
              AnalysisState(q=42, w=43), "q"
          )
          is True
      )
      assert (
          StateCheckMixin().at_least_one_key_must_be_present(
              AnalysisState(q=42, w=43), "w"
          )
          is True
      )
      assert (
          StateCheckMixin().at_least_one_key_must_be_present(
              AnalysisState(q=42, w=43), "q", "w"
          )
          is True
      )
      assert (
          StateCheckMixin().at_least_one_key_must_be_present(
              AnalysisState(q=42, w=43), "q", "missing"
          )
          is True
      )
      assert (
          StateCheckMixin().at_least_one_key_must_be_present(
              AnalysisState(q=None, w=43), "q", "missing"
          )
          is False
      )
  
file_path: autogluon/eda/tests/unittests/test_state.py
imports: import pytest
  from autogluon.eda.state import AnalysisState, StateCheckMixin
  from autogluon.eda.utils.common import expand_nested_args_into_nested_maps
label_desc: Use image node_id 7 for calling a global function with example usage: test_statecheckmixin_at_least_one_key_must_be_present() without return types