with self.assertRaises(JujuControllerFailedConnecting):
controller = self.loop.run_until_complete(self.libjuju.get_controller())
self.assertIsNone(controller)
with self.assertRaises(JujuControllerFailedConnecting):
controller = self.loop.run_until_complete(self.libjuju.get_controller())
self.assertIsNone(controller)