diff --git a/messaging-modules/rabbitmq/src/test/java/com/baeldung/benchmark/ConnectionPerChannelPublisherLiveTest.java b/messaging-modules/rabbitmq/src/test/java/com/baeldung/benchmark/ConnectionPerChannelPublisherLiveTest.java
index 7776e789cb..9131d8dd59 100644
--- a/messaging-modules/rabbitmq/src/test/java/com/baeldung/benchmark/ConnectionPerChannelPublisherLiveTest.java
+++ b/messaging-modules/rabbitmq/src/test/java/com/baeldung/benchmark/ConnectionPerChannelPublisherLiveTest.java
@@ -12,7 +12,7 @@ class ConnectionPerChannelPublisherLiveTest {
         // host, workerCount, iterations, payloadSize
         Stream.of(1,5,10,20,50,100,150)
           .forEach(workers -> {
-              ConnectionPerChannelPublisher.main(new String[]{"192.168.99.100", Integer.toString(workers), "1000", "4096"});
+              ConnectionPerChannelPublisher.main(new String[]{"localhost", Integer.toString(workers), "1000", "4096"});
           });
     }
 
diff --git a/messaging-modules/rabbitmq/src/test/java/com/baeldung/benchmark/SingleConnectionPublisherLiveTest.java b/messaging-modules/rabbitmq/src/test/java/com/baeldung/benchmark/SingleConnectionPublisherLiveTest.java
index edd0690d07..073b1a08a8 100644
--- a/messaging-modules/rabbitmq/src/test/java/com/baeldung/benchmark/SingleConnectionPublisherLiveTest.java
+++ b/messaging-modules/rabbitmq/src/test/java/com/baeldung/benchmark/SingleConnectionPublisherLiveTest.java
@@ -10,9 +10,9 @@ class SingleConnectionPublisherLiveTest {
     @Test
     void whenSingleChannel_thenRunBenchmark() throws Exception {
         // host, workerCount, iterations, payloadSize        
-        Stream.of(1,5,10,20,50,100,150)
+        Stream.of(1,5,10,20,50)
           .forEach(workers -> {
-              SingleConnectionPublisher.main(new String[]{"192.168.99.100", Integer.toString(workers), "1000", "4096"});
+              SingleConnectionPublisher.main(new String[]{"localhost", Integer.toString(workers), "1000", "4096"});
           });
     }
 
diff --git a/messaging-modules/rabbitmq/src/test/java/com/baeldung/benchmark/queue/dynamic/DynamicQueueCreationLiveTest.java b/messaging-modules/rabbitmq/src/test/java/com/baeldung/benchmark/queue/dynamic/DynamicQueueCreationLiveTest.java
index aa430035ef..2f97440505 100644
--- a/messaging-modules/rabbitmq/src/test/java/com/baeldung/benchmark/queue/dynamic/DynamicQueueCreationLiveTest.java
+++ b/messaging-modules/rabbitmq/src/test/java/com/baeldung/benchmark/queue/dynamic/DynamicQueueCreationLiveTest.java
@@ -56,11 +56,17 @@ public class DynamicQueueCreationLiveTest {
 
     @Test
     void givenQueueName_whenQueueDoesNotExist_thenCheckingIfQueueExists() throws IOException, TimeoutException {
-
-        try (Channel channel = connection.createChannel()) {
+        Channel temp = null;
+        try  {
+            Channel channel = connection.createChannel();
             assertThrows(IOException.class, () -> {
                 channel.queueDeclarePassive(QUEUE_NAME_NEW);
             });
+            temp = channel;
+        } finally {
+            if(temp != null && temp.isOpen()) {
+                temp.close();
+            }
         }
     }