def test_delete_reduces_length(self):
        self._setup_basic_state()
        no_items = len(state)
        del state['list']
        self.assertEqual(len(state), no_items - 1)
Test deleting a value from the state reduces the length
dataset/ETHPy150Open duerrp/pyexperiment/tests/test_state.py/TestBasicState.test_delete_reduces_length