def mute_volume(self, mute):
        self.telnet_command("MU" + ("ON" if mute else "OFF"))
verify we can reconnect to a persistent job
dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/components/media_player/denon.py/DenonDevice.mute_volume--crossover with--dataset/ETHPy150Open jut-io/jut-python-tools/tests/jut_jobs_tests.py/JutJobsTests.test_jut_jobs_connect_on_persistent_job