@skipIf(can_write_to_journald, "Journald is available on this machine.")
    def test_journald_unavailable(self):
        @flocker_standard_options
        class MyOptions(Options):
            pass

        exc = self.assertRaises(
            UsageError, MyOptions().parseOptions, ["--journald"])
        self.assertTrue(str(exc).startswith(
            "Journald unavailable on this machine: "))
If journald is unavailable on the machine, ``--journald`` raises a
dataset/ETHPy150Open ClusterHQ/flocker/flocker/common/functional/test_script.py/JournaldOptionsTests.test_journald_unavailable