}

    @Test
    public void test_register_with_null_scheduledJob() {
        try {
            jobHelper.register((ScheduledJob) null);
            fail("Should throw ScheduledJobException");
        } catch (ScheduledJobException e) {
            assertEquals("scheduledJob parameter is null. Cannot register a null job.", e.getMessage());
        } catch (Exception e) {

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.timer.TimeoutTask;
import org.codelibs.fess.Constants;
import org.codelibs.fess.exception.ScheduledJobException;
import org.codelibs.fess.helper.JobHelper;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.job.JobExecutor;
import org.codelibs.fess.opensearch.config.exentity.JobLog;