def test_globalInstance(self):
        self.assertIsInstance(_action._context, _ExecutionContext)
        self.assertEqual(_action.currentAction, _action._context.current)
A global L{_ExecutionContext} is exposed in the L{eliot._action}
dataset/ETHPy150Open ClusterHQ/eliot/eliot/tests/test_action.py/ExecutionContextTests.test_globalInstance