Add todo comments

Author: Demogorgon314

pulsar-broker/src/main/java/org/apache/pulsar/broker/namespace/NamespaceService.java

@@ -180,6 +180,7 @@ public CompletableFuture<Optional<LookupResult>> getBrokerServiceUrlAsync(TopicN
                     if (ExtensibleLoadManagerImpl.isLoadManagerExtensionEnabled(config)) {
                         return loadManager.get().findBrokerServiceUrl(Optional.of(topic), bundle);
                     } else {
+                        // TODO: Add unit tests cover it.
                         return findBrokerServiceUrl(bundle, options);
                     }
                 });
@@ -272,6 +273,7 @@ private CompletableFuture<Optional<URL>> internalGetWebServiceUrl(Optional<Servi
 
         return (ExtensibleLoadManagerImpl.isLoadManagerExtensionEnabled(config)
                 ? loadManager.get().findBrokerServiceUrl(topic, bundle) :
+                // TODO: Add unit tests cover it.
                 findBrokerServiceUrl(bundle, options)).thenApply(lookupResult -> {
             if (lookupResult.isPresent()) {
                 try {
@@ -1039,6 +1041,7 @@ public CompletableFuture<Boolean> isServiceUnitOwnedAsync(ServiceUnitId suName)
             if (ExtensibleLoadManagerImpl.isLoadManagerExtensionEnabled(config)) {
                 return loadManager.get().checkOwnershipAsync(Optional.empty(), suName);
             }
+            // TODO: Add unit tests cover it.
             return CompletableFuture.completedFuture(
                     ownershipCache.isNamespaceBundleOwned((NamespaceBundle) suName));
         }
@@ -1061,6 +1064,7 @@ public boolean isServiceUnitActive(TopicName topicName) {
     }
 
     public CompletableFuture<Boolean> isServiceUnitActiveAsync(TopicName topicName) {
+        // TODO: Add unit tests cover it.
         if (ExtensibleLoadManagerImpl.isLoadManagerExtensionEnabled(config)) {
             return getBundleAsync(topicName)
                     .thenCompose(bundle -> loadManager.get().checkOwnershipAsync(Optional.of(topicName), bundle));
@@ -1078,6 +1082,7 @@ private boolean isNamespaceOwned(NamespaceName fqnn) throws Exception {
     }
 
     private CompletableFuture<Boolean> isNamespaceOwnedAsync(NamespaceName fqnn) {
+        // TODO: Add unit tests cover it.
         if (ExtensibleLoadManagerImpl.isLoadManagerExtensionEnabled(config)) {
             return getFullBundleAsync(fqnn)
                     .thenCompose(bundle -> loadManager.get().checkOwnershipAsync(Optional.empty(), bundle));
@@ -1087,6 +1092,7 @@ private CompletableFuture<Boolean> isNamespaceOwnedAsync(NamespaceName fqnn) {
     }
 
     private CompletableFuture<Boolean> isTopicOwnedAsync(TopicName topic) {
+        // TODO: Add unit tests cover it.
         if (ExtensibleLoadManagerImpl.isLoadManagerExtensionEnabled(config)) {
             return getBundleAsync(topic)
                     .thenCompose(bundle -> loadManager.get().checkOwnershipAsync(Optional.of(topic), bundle));
@@ -1095,6 +1101,7 @@ private CompletableFuture<Boolean> isTopicOwnedAsync(TopicName topic) {
     }
 
     public CompletableFuture<Boolean> checkTopicOwnership(TopicName topicName) {
+        // TODO: Add unit tests cover it.
         if (ExtensibleLoadManagerImpl.isLoadManagerExtensionEnabled(config)) {
             return getBundleAsync(topicName)
                     .thenCompose(bundle -> loadManager.get().checkOwnershipAsync(Optional.of(topicName), bundle));