Extract Method	public nodeHeartbeat(conts Map<ApplicationId,List<ContainerStatus>>, increasedConts List<Container>, isHealthy boolean, resId int) : NodeHeartbeatResponse extracted from public nodeHeartbeat(conts Map<ApplicationId,List<ContainerStatus>>, isHealthy boolean, resId int) : NodeHeartbeatResponse in class org.apache.hadoop.yarn.server.resourcemanager.MockNM