fix failure UTs

Signed-off-by: zane-neo <zaniu@amazon.com>

Author: zane-neo

plugin/src/test/java/org/opensearch/ml/settings/MLFeatureEnabledSettingTests.java

@@ -14,6 +14,7 @@
 import static org.opensearch.ml.common.settings.MLCommonsSettings.ML_COMMONS_AGENTIC_MEMORY_ENABLED;
 import static org.opensearch.ml.common.settings.MLCommonsSettings.ML_COMMONS_AGENT_FRAMEWORK_ENABLED;
 import static org.opensearch.ml.common.settings.MLCommonsSettings.ML_COMMONS_AG_UI_ENABLED;
+import static org.opensearch.ml.common.settings.MLCommonsSettings.ML_COMMONS_ALLOW_PLAINTEXT_CREDENTIALS;
 import static org.opensearch.ml.common.settings.MLCommonsSettings.ML_COMMONS_CONNECTOR_PRIVATE_IP_ENABLED;
 import static org.opensearch.ml.common.settings.MLCommonsSettings.ML_COMMONS_CONTROLLER_ENABLED;
 import static org.opensearch.ml.common.settings.MLCommonsSettings.ML_COMMONS_EXECUTE_TOOL_ENABLED;
@@ -90,7 +91,8 @@ public void setUp() {
                             ML_COMMONS_MAX_JSON_SIZE,
                             ML_COMMONS_UNIFIED_AGENT_API_ENABLED,
                             ML_COMMONS_MCP_HEADER_PASSTHROUGH_ENABLED,
-                            ML_COMMONS_AG_UI_ENABLED
+                            ML_COMMONS_AG_UI_ENABLED,
+                            ML_COMMONS_ALLOW_PLAINTEXT_CREDENTIALS
                         )
                 )
             );