@RetryingTest(10) for failing UDP multicast tests

(cherry picked from commit ae8c09f)

Author: artembilan

spring-integration-ip/src/test/java/org/springframework/integration/ip/udp/DatagramPacketMulticastSendingHandlerTests.java

@@ -28,9 +28,9 @@
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
 
-import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.condition.DisabledOnOs;
 import org.junit.jupiter.api.condition.OS;
+import org.junitpioneer.jupiter.RetryingTest;
 
 import org.springframework.core.task.SimpleAsyncTaskExecutor;
 import org.springframework.integration.ip.IpHeaders;
@@ -53,7 +53,7 @@
 @DisabledOnOs(value = OS.MAC, disabledReason = "Multicast tests don't work on MacOS")
 public class DatagramPacketMulticastSendingHandlerTests implements TestApplicationContextAware {
 
-	@Test
+	@RetryingTest(10)
 	public void verifySendMulticast(MulticastCondition multicastCondition) throws Exception {
 		MulticastSocket socket;
 		try {
@@ -122,7 +122,7 @@ public void verifySendMulticast(MulticastCondition multicastCondition) throws Ex
 		socket.close();
 	}
 
-	@Test
+	@RetryingTest(10)
 	public void verifySendMulticastWithAcks(MulticastCondition multicastCondition) throws Exception {
 		MulticastSocket socket = new MulticastSocket();
 		final int testPort = socket.getLocalPort();

spring-integration-ip/src/test/java/org/springframework/integration/ip/udp/UdpChannelAdapterTests.java

@@ -33,6 +33,7 @@
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.condition.DisabledOnOs;
 import org.junit.jupiter.api.condition.OS;
+import org.junitpioneer.jupiter.RetryingTest;
 
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
@@ -257,7 +258,7 @@ public void testUnicastSender() {
 	}
 
 	@SuppressWarnings("unchecked")
-	@Test
+	@RetryingTest(10)
 	public void testMulticastReceiver(MulticastCondition multicastCondition) throws Exception {
 		QueueChannel channel = new QueueChannel(2);
 		MulticastReceivingChannelAdapter adapter =