polishing broken test trying to determine why it fails in CI

build.gradle

@@ -121,7 +121,8 @@ configure(javaprojects) {
     junitVersion = '4.8.2'
     log4jVersion = '1.2.12'
     mockitoVersion = '1.8.4'
-    springVersion = '3.1.0.M2'
+    //springVersion = '3.1.0.M2'
+    springVersion = '3.0.6.BUILD-SNAPSHOT'
     springAmqpVersion = '1.0.0.RC2'
     springDataMongoVersion = '1.0.0.BUILD-SNAPSHOT'
     springDataCommonsVersion = '1.2.0.BUILD-SNAPSHOT'

spring-integration-redis/src/test/java/org/springframework/integration/redis/inbound/RedisInboundChannelAdapterTests.java

@@ -60,6 +60,9 @@ public class RedisInboundChannelAdapterTests extends RedisAvailableTests{
 		Thread.sleep(2000);
 		for (int i = 0; i < numToTest; i++) {
 			Message<?> message = channel.receive(5000);
+			if (message == null){
+				throw new RuntimeException("Failed to receive message # " + i);
+			}
 			assertNotNull(message);
 			assertTrue(message.getPayload().toString().startsWith("test-"));
 			counter++;