genFiles(subDirL2, "2tail-new2", 10, 100);
Clock.sleep(1000);
expEventsCount += 10 * 100;
assertEquals(expEventsCount, cnt.getCount());
drv.stop();
FileUtil.rmr(tmpdir);
ReportEvent report = src.getMetrics();
assertEquals(Long.valueOf(80),
report.getLongMetric(TailDirSource.A_FILESADDED));