def tearDown(self):
        os.chmod(self.dir, 0777)
        if os.path.exists(self.path):
            os.chmod(self.path, 0777)
get configuration values for a node; if the values don't exist in
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/test/test_logfile.py/LogFileTestCase.tearDown--crossover with--dataset/ETHPy150Open coreemu/core/daemon/core/conf.py/ConfigurableManager.getconfig