diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62391750fc0b7..c8e9370133516 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -57,6 +57,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ### Fixed
 - Fix class_cast_exception when passing int to _version and other metadata fields in ingest simulate API ([#10101](https://github.com/opensearch-project/OpenSearch/pull/10101))
+- Fix SuggestSearch.testSkipDuplicates by forcing refresh when indexing its test documents ([#11068](https://github.com/opensearch-project/OpenSearch/pull/11068))
 
 ### Security
 
diff --git a/server/src/internalClusterTest/java/org/opensearch/search/suggest/CompletionSuggestSearchIT.java b/server/src/internalClusterTest/java/org/opensearch/search/suggest/CompletionSuggestSearchIT.java
index 30dba87f8ef5d..b342e6d35f0b4 100644
--- a/server/src/internalClusterTest/java/org/opensearch/search/suggest/CompletionSuggestSearchIT.java
+++ b/server/src/internalClusterTest/java/org/opensearch/search/suggest/CompletionSuggestSearchIT.java
@@ -79,6 +79,7 @@
 import java.util.Set;
 
 import static org.opensearch.action.support.WriteRequest.RefreshPolicy.IMMEDIATE;
+import static org.opensearch.action.support.WriteRequest.RefreshPolicy.WAIT_UNTIL;
 import static org.opensearch.cluster.metadata.IndexMetadata.SETTING_NUMBER_OF_REPLICAS;
 import static org.opensearch.cluster.metadata.IndexMetadata.SETTING_NUMBER_OF_SHARDS;
 import static org.opensearch.common.xcontent.XContentFactory.jsonBuilder;
@@ -1171,6 +1172,7 @@ public void testSkipDuplicates() throws Exception {
         createIndexAndMapping(mapping);
         int numDocs = randomIntBetween(10, 100);
         int numUnique = randomIntBetween(1, numDocs);
+        logger.info("Suggestion duplicate parameters: numDocs {} numUnique {}", numDocs, numUnique);
         List<IndexRequestBuilder> indexRequestBuilders = new ArrayList<>();
         int[] weights = new int[numUnique];
         Integer[] termIds = new Integer[numUnique];
@@ -1180,8 +1182,10 @@ public void testSkipDuplicates() throws Exception {
             int weight = randomIntBetween(0, 100);
             weights[id] = Math.max(weight, weights[id]);
             String suggestion = "suggestion-" + String.format(Locale.ENGLISH, "%03d", id);
+            logger.info("Creating {}, id {}, weight {}", suggestion, i, id, weight);
             indexRequestBuilders.add(
                 client().prepareIndex(INDEX)
+                    .setRefreshPolicy(WAIT_UNTIL)
                     .setSource(
                         jsonBuilder().startObject()
                             .startObject(FIELD)
@@ -1195,10 +1199,12 @@ public void testSkipDuplicates() throws Exception {
         indexRandom(true, indexRequestBuilders);
 
         Arrays.sort(termIds, Comparator.comparingInt(o -> weights[(int) o]).reversed().thenComparingInt(a -> (int) a));
+        logger.info("Expected terms id ordered {}", (Object[]) termIds);
         String[] expected = new String[numUnique];
         for (int i = 0; i < termIds.length; i++) {
             expected[i] = "suggestion-" + String.format(Locale.ENGLISH, "%03d", termIds[i]);
         }
+        logger.info("Expected suggestions field values {}", (Object[]) expected);
         CompletionSuggestionBuilder completionSuggestionBuilder = SuggestBuilders.completionSuggestion(FIELD)
             .prefix("sugg")
             .skipDuplicates(true)
@@ -1207,6 +1213,7 @@ public void testSkipDuplicates() throws Exception {
         SearchResponse searchResponse = client().prepareSearch(INDEX)
             .suggest(new SuggestBuilder().addSuggestion("suggestions", completionSuggestionBuilder))
             .get();
+        logger.info("Search Response with Suggestions {}", searchResponse);
         assertSuggestions(searchResponse, true, "suggestions", expected);
     }