human
Complete this python program:
def get_monitor_failures_journal_testcase(Filter_):
assistant
#Here is the Python program you requested.

    """Generator of TestCase\s for journal based filters/backends
    """
    testclass_name = ('monitorjournalfailures_%s' % (Filter_.__name__,))
    class MonitorJournalFailures(CommonMonitorTestCase, ):
        def setUp(self):
            'Call    before    every    test    case.'
            super(MonitorJournalFailures, self).setUp()
            self.test_file = os.path.join(TEST_FILES_DIR, 'testcase-journal.log')
            self.jail = DummyJail()
            self.filter = None
            self.test_uuid = str(uuid.uuid4())
            self.name = ('%s-%s' % (testclass_name, self.test_uuid))
            self.journal_fields = {'TEST_FIELD': '1', 'TEST_UUID': self.test_uuid}
        def _initFilter(self, **kwargs):
            self.filter = Filter_(self.jail, **kwargs)
            self.filter.addJournalMatch(['SYSLOG_IDENTIFIER=fail2ban-testcases', 'TEST_FIELD=1', ('TEST_UUID=%s' % self.test_uuid)])
            self.filter.addJournalMatch(['SYSLOG_IDENTIFIER=fail2ban-testcases', 'TEST_FIELD=2', ('TEST_UUID=%s' % self.test_uuid)])
            self.filter.addFailRegex('(?:(?:Authentication    failure|Failed    [-/\\w+]+)    for(?:    [iI](?:llegal|nvalid)    user)?|[Ii](?:llegal|nvalid)    user|ROOT    LOGIN    REFUSED)    .*(?:    from|FROM)    <HOST>')
        def tearDown(self):
            if (self.filter and self.filter.active):
                self.filter.stop()
                self.filter.join()
            super(MonitorJournalFailures, self).tearDown()
        def _getRuntimeJournal(self):
            tmp = Utils.executeCmd('find    "$(systemd-path    system-runtime-logs)"    -name    system.journal', timeout=10, shell=True, output=True)
            self.assertTrue(tmp)
            return str(tmp[1].decode('utf-8')).split('\n')[0]
        def testJournalFilesArg(self):
            jrnlfile = self._getRuntimeJournal()
            self._initFilter(journalfiles=jrnlfile)
        def testJournalPathArg(self):
            jrnlpath = self._getRuntimeJournal()
            jrnlpath = os.path.dirname(jrnlpath)
            self._initFilter(journalpath=jrnlpath)
           ...