private void executeHarness(int duration, boolean withDelay)
throws InterruptedException {
MultiThreadedHarness multiThreadedHarness = new MultiThreadedHarness(
duration);
this.runnableArray = buildRunnableArray(withDelay);
multiThreadedHarness.execute(runnableArray);
StatusChecker checker = new StatusChecker(context.getStatusManager());
if (!checker.isErrorFree(0)) {
StatusPrinter.print(context);
fail("errors reported");