Address Comments

Signed-off-by: rithin-pullela-aws <rithinp@amazon.com>

Author: rithin-pullela-aws

plugin/src/main/java/org/opensearch/ml/action/memorycontainer/memory/MemoryProcessingService.java

@@ -70,6 +70,7 @@ public void extractFactsFromConversation(
             StringBuilder userMessages = new StringBuilder();
             for (MessageInput message : messages) {
                 userMessages.append(message.getContent());
+                userMessages.append(System.lineSeparator());
             }
             String messagesJson = userMessages.toString();
             stringParameters.put("messages", escapeJson(messagesJson));

plugin/src/test/java/org/opensearch/ml/rest/RestMLAgenticMemoryIT.java

@@ -104,6 +104,9 @@ public void setup() throws IOException, InterruptedException {
 
     @Test
     public void testCreateMemoryContainerAndAddMemories_openAI() throws IOException, InterruptedException {
+        if (OPENAI_KEY == null) {
+            return;
+        }
         // Create OpenAI model and memory container
         String openaiModelId = registerLLMModel();
         String memoryContainerId = createMemoryContainerWithModel(
@@ -172,6 +175,9 @@ public void testCreateMemoryContainerAndAddMemories_openAI() throws IOException,
 
     @Test
     public void testUpdateMemoriesWithContradictoryInformation_openAI() throws IOException, InterruptedException {
+        if (OPENAI_KEY == null) {
+            return;
+        }
         // Create OpenAI model and memory container
         String openaiModelId = registerLLMModel();
         String memoryContainerId = createMemoryContainerWithModel(