Debug ReactiveStreamsTest

https://build.spring.io/browse/INT-MASTER-436

Author: garyrussell

spring-integration-core/src/test/java/org/springframework/integration/dsl/reactivestreams/ReactiveStreamsTests.java

@@ -34,6 +34,8 @@
 import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicBoolean;
 
+import org.apache.log4j.Level;
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.reactivestreams.Publisher;
@@ -47,6 +49,7 @@
 import org.springframework.integration.config.EnableIntegration;
 import org.springframework.integration.dsl.IntegrationFlows;
 import org.springframework.integration.dsl.channel.MessageChannels;
+import org.springframework.integration.test.rule.Log4jLevelAdjuster;
 import org.springframework.messaging.Message;
 import org.springframework.messaging.MessageChannel;
 import org.springframework.messaging.support.GenericMessage;
@@ -65,6 +68,9 @@
 @DirtiesContext
 public class ReactiveStreamsTests {
 
+	@Rule
+	public Log4jLevelAdjuster adjuster = new Log4jLevelAdjuster(Level.DEBUG, "org.springframework.integration");
+
 	@Autowired
 	@Qualifier("reactiveFlow")
 	private Publisher<Message<String>> publisher;