def setup(self, conf):
        self._filesystem = InMemoryFileSystem()
A suppression set on a L{SynchronousTestCase} subclass prevents warnings
dataset/ETHPy150Open openstack/swift/swift/obj/mem_server.py/ObjectController.setup--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/trial/test/test_tests.py/SuppressionMixin.test_suppressClass