Fixed the comment and added refresh annotation to the test

Signed-off-by: ShubhamRwt <[email protected]>

Author: ShubhamRwt

systemtest/src/test/java/io/strimzi/systemtest/log/LoggingChangeST.java

@@ -2194,8 +2194,8 @@ void testLoggingHierarchy() {
         }
     )
     void testChangingInternalToExternalLoggingTriggerRollingUpdate() {
-        // This test currently does not work with Kafka 4.0 due to some logging related changes and is therefore disabled when Kafka 4.0 or newer is used.
-        // This should be re-enabled once we fix the issue: https://github.com/strimzi/strimzi-kafka-operator/issues/11312
+        // This test only works with Kafka 3.9.0 since Kafka 4.0.0 uses Log4j2 which provides dynamic logging changes for the brokers.
+        // This test can be removed once Kafka 3.9.0 is dropped from support.
         Assumptions.assumeTrue(TestKafkaVersion.compareDottedVersions(Environment.ST_KAFKA_VERSION, "4.0.0") < 0);
 
         final TestStorage testStorage = new TestStorage(ResourceManager.getTestContext());

systemtest/src/test/java/io/strimzi/systemtest/operators/MultipleClusterOperatorsST.java

@@ -11,6 +11,7 @@
 import io.strimzi.api.kafka.model.kafka.Kafka;
 import io.strimzi.api.kafka.model.kafka.cruisecontrol.CruiseControlResources;
 import io.strimzi.api.kafka.model.rebalance.KafkaRebalance;
+import io.strimzi.api.kafka.model.rebalance.KafkaRebalanceAnnotation;
 import io.strimzi.operator.common.Annotations;
 import io.strimzi.operator.common.model.Labels;
 import io.strimzi.systemtest.AbstractST;
@@ -332,6 +333,10 @@ void testKafkaCCAndRebalanceWithMultipleCOs() {
 
         KafkaUtils.waitForClusterStability(testStorage.getNamespaceName(), testStorage.getClusterName());
 
+        // Refresh the KafkaRebalance to make sure it's not in `NotReady` state due to CruiseControlRestException
+        // This can happen if the new Cruise Control pod was not up and request was propagated to old Cruise Control
+        KafkaRebalanceUtils.annotateKafkaRebalanceResource(testStorage.getNamespaceName(), testStorage.getClusterName(), KafkaRebalanceAnnotation.refresh);
+
         KafkaRebalanceUtils.doRebalancingProcess(testStorage.getNamespaceName(), testStorage.getClusterName());
 
         LOGGER.info("Verifying that operands are operated by expected Cluster Operator {}", FIRST_CO_NAME);