Add missing @Override

spring-session-data-redis/src/integration-test/java/org/springframework/session/data/SessionEventRegistry.java

@@ -28,6 +28,7 @@ public class SessionEventRegistry implements ApplicationListener<AbstractSession
 	private Map<String, AbstractSessionEvent> events = new HashMap<>();
 	private ConcurrentMap<String, Object> locks = new ConcurrentHashMap<>();
 
+	@Override
 	public void onApplicationEvent(AbstractSessionEvent event) {
 		String sessionId = event.getSessionId();
 		this.events.put(sessionId, event);

spring-session-data-redis/src/integration-test/java/org/springframework/session/data/redis/config/annotation/web/http/EnableRedisHttpSessionExpireSessionDestroyedTests.java

@@ -94,6 +94,7 @@ public class EnableRedisHttpSessionExpireSessionDestroyedTests<S extends Session
 		private boolean receivedEvent;
 		private Object lock;
 
+		@Override
 		public void onApplicationEvent(SessionExpiredEvent event) {
 			synchronized (this.lock) {
 				this.receivedEvent = true;

spring-session-data-redis/src/integration-test/java/org/springframework/session/data/redis/taskexecutor/RedisListenerContainerTaskExecutorITests.java

@@ -75,6 +75,7 @@ public class RedisListenerContainerTaskExecutorITests extends AbstractRedisITest
 			this.executor = executor;
 		}
 
+		@Override
 		public void execute(Runnable task) {
 			synchronized (this.lock) {
 				try {