def test_changeVersions(self):
        self._testVersionChanging(8, 2, 3)
Cache dict store act as one group.
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/python/test/test_release.py/ScriptTests.test_changeVersions--crossover with--dataset/ETHPy150Open yinhm/datafeed/datafeed/datastore.py/MinuteSnapshotCache.require_group