def class_proxy_required(self, cls):
        self.proxy_types.append(cls)
Tests the NewFileSystem function.
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/rbac.py/AccessController.class_proxy_required--crossover with--dataset/ETHPy150Open log2timeline/dfvfs/tests/resolver/qcow_resolver_helper.py/QCOWResolverHelperTest.testNewFileSystem