@PreDestroy
	public void destroy() {
		scheduledTaskService.removeScheduledJob(this.startRunnable);
		scheduledTaskService.removeScheduledJob(this.finishRunnable);
	}
{@link PerfTest} run scheduler.
<p/>
This class is responsible to execute/finish the performance test. The job is
started from {@link #doStart()}  and {@link #doFinish()} method. These
methods are scheduled by Spring Task.

@since 3.0
ngrinder-controller/src/main/java/org/ngrinder/perftest/service/PerfTestRunnable.java