test: HandoverIT-POC - RED - Started a second backend

* A second backend is started, after the writers and the listener were
  instanciated.
* The test fails, because the listener does not see messages, that are
  send by the writers after the rebalance finishes.

diff --git a/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java b/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java
index 86875c5..ae0f3a6 100644 (file)
--- a/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java
+++ b/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java
@@ -72,8 +72,9 @@ public abstract class AbstractHandoverIT
             "Received message: {}",
             message));
 
-    log.info("Sleeping for 2 seconds...");
-    Thread.sleep(2000);
+    log.info("Starting backend-2...");
+    containers.startBackend(containers.backend2, testWriters);
+    log.info("backend-2 started!");
 
     for (int i = 0; i < NUM_CLIENTS; i++)
     {