fix failed cat segments tests

Signed-off-by: MarinaRazumovsky <rzm.mrn@gmail.com>

java-client/src/test/java/org/opensearch/client/opensearch/integTest/AbstractCatClientIT.java

@@ -9,6 +9,8 @@
 package org.opensearch.client.opensearch.integTest;
 
 import org.opensearch.client.opensearch._types.Bytes;
+import org.opensearch.client.opensearch._types.Refresh;
+import org.opensearch.client.opensearch._types.Result;
 import org.opensearch.client.opensearch.cat.AliasesResponse;
 import org.opensearch.client.opensearch.cat.AllocationResponse;
 import org.opensearch.client.opensearch.cat.IndicesResponse;
@@ -24,9 +26,11 @@
 import org.opensearch.client.opensearch.cat.recovery.RecoveryRecord;
 import org.opensearch.client.opensearch.cat.segments.SegmentsRecord;
 import org.opensearch.client.opensearch.cat.shards.ShardsRecord;
+import org.opensearch.client.opensearch.core.IndexResponse;
 import org.opensearch.client.opensearch.indices.CreateIndexResponse;
 
 import java.util.List;
+import java.util.Map;
 import java.util.stream.Collectors;
 
 public abstract class AbstractCatClientIT extends OpenSearchJavaClientTestCase {
@@ -182,12 +186,12 @@ public void testCatPlugins() throws Exception {
 
     public void testCatSegments() throws Exception {
         createIndex("cat-segments-test-index");
-        
+
         final IndexResponse index = javaClient().index(b -> b
             .index("test-cat-segments-index")
             .id("id")
             .refresh(Refresh.True)
-            .document(Map.of()));
+            .document(Map.of("test-cat-segments-key", "test-cat-segments-value")));
         assertTrue(index.result() == Result.Created);
         SegmentsResponse segmentsResponse = javaClient().cat().segments(r -> r.headers("index,shard,id,segment,size"));
         assertNotNull("segmentsResponse.valueBody() is null", segmentsResponse.valueBody());