Further increased time limit for build server.

spring-integration-core/src/test/java/org/springframework/integration/bus/FixedDelayConsumerTests.java

@@ -65,7 +65,7 @@ public class FixedDelayConsumerTests {
 		for (int i = 0; i < messagesToSend; i++) {
 			channel.send(new GenericMessage<String>(1, "test " + (i+1)));
 		}
-		latch.await(2000, TimeUnit.MILLISECONDS);
+		latch.await(2500, TimeUnit.MILLISECONDS);
 		assertEquals(messagesToSend, counter.get());
 	}