}

    @Test
    public void test_getJobRuntime_null() {
        assertNull(jobHelper.getJobRuntime());
    }

    @Test
    public void test_monitorTarget_expired_withoutEndTime() {
        JobLog jobLog = new JobLog();
        jobLog.setId("test-log-1");
        jobLog.setJobName("Test Job");
        jobLog.setEndTime(null);