def _lookup_request_info(self):
        return None
Test get_subtree() for a read with tree 1 level deep.
dataset/ETHPy150Open mitsuhiko/fungiform/fungiform/forms.py/FormBase._lookup_request_info--crossover with--dataset/ETHPy150Open jplana/python-etcd/src/etcd/tests/unit/test_result.py/TestEtcdResult.test_get_subtree_1_level