def bell(self, *args):
        self.bell_func()
Raise ``SkipTest`` unless the functional test configuration has
dataset/ETHPy150Open jonathanslenders/pymux/pymux/screen.py/BetterScreen.bell--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/testtools/_blockdevice.py/require_backend