Exception exception = new RuntimeException("test");

        StringBuilder result = monitorTarget.appendException(buf, exception);
        assertSame(buf, result);
    }

    // Concrete implementation of MonitorTarget for testing
    private static class TestMonitorTarget extends MonitorTarget {
        @Override
        public void expired() {
            // Implementation not needed for these tests

     */
    static class MonitorTarget implements TimeoutTarget {

        /** The job log being monitored */
        private final JobLog jobLog;

        /**
         * Constructor for MonitorTarget.
         *
         * @param jobLog the job log to monitor
         */
        public MonitorTarget(final JobLog jobLog) {
            this.jobLog = jobLog;
        }