def test49(self):
        self.check('emptyString')
L{TaskLevel.to_string} is the same as as L{TaskLevel.toString}.
dataset/ETHPy150Open skyostil/tracy/src/generator/Cheetah/Tests/NameMapper.py/VFN.test49--crossover with--dataset/ETHPy150Open ClusterHQ/eliot/eliot/tests/test_action.py/TaskLevelTests.test_to_string