int[] metricsy = {99 + 3*x, 99 + 3*y, 98 + 4*x, 98+4*y, 97+5*y};
setHealthData(metricsx, metricsy);
task.run();
Thread.sleep(100);
history = helixDataAccessor.getProperty(keyBuilder.alertHistory()).getRecord();
Assert.assertEquals(history.getMapFields().size(), Math.min(3 + i + 1 + historySize, 30));
recordMap = new TreeMap<String, Map<String, String>>();
recordMap.putAll( history.getMapFields());
lastRecord = recordMap.lastEntry().getValue();