} catch (AmbariException e) {
}
Assert.assertEquals(3, cluster.getServiceComponentHosts(host1).size());
sch.handleEvent(new ServiceComponentHostStopEvent(sch.getServiceComponentName(), sch.getHostName(), System.currentTimeMillis()));
sch.handleEvent(new ServiceComponentHostStoppedEvent (sch.getServiceComponentName(), sch.getHostName(), System.currentTimeMillis()));
schRequests.clear();
// maintenance HC, DN was already stopped
schRequests.add(new ServiceComponentHostRequest(clusterName, serviceName, componentName1, host1, null, "MAINTENANCE"));
controller.updateHostComponents(schRequests, new HashMap<String,String>(), false);