Polish build

spring-statemachine-zookeeper/src/test/java/org/springframework/statemachine/zookeeper/ZookeeperStateMachineEnsembleTests.java

@@ -717,19 +717,23 @@ public class ZookeeperStateMachineEnsembleTests extends AbstractZookeeperTests {
 		}
 
 		@Override
+		@SuppressWarnings({"all", "deprecation"})
 		public void start() {
 		}
 
 		@Override
+		@SuppressWarnings({"all", "deprecation"})
 		public void stop() {
 		}
 
 		@Override
+		@SuppressWarnings({"all", "deprecation"})
 		public boolean sendEvent(Message<String> event) {
 			return false;
 		}
 
 		@Override
+		@SuppressWarnings({"all", "deprecation"})
 		public boolean sendEvent(String event) {
 			return false;
 		}