def METHOD_NAME():
    state = AnalysisState(
        train_data=pd.DataFrame(),
        test_data=pd.DataFrame(),
        tuning_data=pd.DataFrame(),
        val_data=pd.DataFrame(),
    )
    keys = []
    for ds, df in BaseAnalysis().available_datasets(state):
        assert state[ds] is df
        assert ds in state
        keys.append(ds)
    assert list(keys) == list(state.keys())