Adapt transactional test component declaration

See gh-33470

spring-tx/src/test/java/org/springframework/transaction/event/TransactionalApplicationListenerMethodAdapterTests.java

@@ -28,7 +28,6 @@ import org.springframework.scheduling.annotation.Async;
 import org.springframework.transaction.annotation.Propagation;
 import org.springframework.transaction.annotation.RestrictedTransactionalEventListenerFactory;
 import org.springframework.transaction.annotation.Transactional;
-import org.springframework.transaction.event.TransactionalApplicationListenerMethodAdapterTests.SampleEvents.SampleEventsWithTransactionalAnnotation;
 import org.springframework.transaction.support.TransactionSynchronization;
 import org.springframework.transaction.support.TransactionSynchronizationManager;
 import org.springframework.util.ClassUtils;

spring-tx/src/test/java/org/springframework/transaction/event/TransactionalEventListenerTests.java

@@ -611,7 +611,7 @@ class TransactionalEventListenerTests {
 	}
 
 
-	@Transactional
+	@Transactional(propagation = Propagation.REQUIRES_NEW)
 	@Component
 	static class TransactionalComponentTestListenerWithInterface extends BaseTransactionalTestListener implements
 			TransactionalComponentTestInterface {