diff --git a/src/test/java/org/opensearch/ad/model/AnomalyDetectorTests.java b/src/test/java/org/opensearch/ad/model/AnomalyDetectorTests.java
index 911c94295..152772691 100644
--- a/src/test/java/org/opensearch/ad/model/AnomalyDetectorTests.java
+++ b/src/test/java/org/opensearch/ad/model/AnomalyDetectorTests.java
@@ -951,11 +951,11 @@ public void testParseAnomalyDetector_withCustomIndex_withFlattenResultIndexMappi
             + "\"time_field\":\"HmdFH\",\"indices\":[\"ffsBF\"],\"filter_query\":{\"bool\":{\"filter\":[{\"exists\":"
             + "{\"field\":\"value\",\"boost\":1}}],\"adjust_pure_negative\":true,\"boost\":1}},\"window_delay\":"
             + "{\"period\":{\"interval\":2,\"unit\":\"Minutes\"}},\"shingle_size\":8,\"schema_version\":-512063255,"
-            + "\"feature_attributes\":[{\"feature_id\":\"OTYJs\",\"feature_name\":\"eYYCM\",\"feature_enabled\":false,"
+            + "\"feature_attributes\":[{\"feature_id\":\"OTYJs\",\"feature_name\":\"eYYCM\",\"feature_enabled\":true,"
             + "\"aggregation_query\":{\"XzewX\":{\"value_count\":{\"field\":\"ok\"}}}}],\"recency_emphasis\":3342,"
             + "\"history\":62,\"last_update_time\":1717192049845,\"category_field\":[\"Tcqcb\"],\"result_index\":"
-            + "\"opensearch-ad-plugin-result-test\",\"imputation_option\":{\"method\":\"FIXED_VALUES\",\"defaultFill\""
-            + ":[],\"integerSensitive\":false},\"suggested_seasonality\":64,\"detection_interval\":{\"period\":"
+            + "\"opensearch-ad-plugin-result-test\",\"imputation_option\":{\"method\":\"FIXED_VALUES\",\"default_fill\""
+            + ":[{\"feature_name\":\"eYYCM\", \"data\": 3}]},\"suggested_seasonality\":64,\"detection_interval\":{\"period\":"
             + "{\"interval\":5,\"unit\":\"Minutes\"}},\"detector_type\":\"MULTI_ENTITY\",\"rules\":[],\"flatten_result_index_mapping\":true}";
         AnomalyDetector parsedDetector = AnomalyDetector.parse(TestHelpers.parser(detectorString), "id", 1L, null, null);
         assertEquals(true, (boolean) parsedDetector.getFlattenResultIndexMapping());