Fix RemoteStoreReplicationSourceTests.testGetCheckpointMetadataEmpty. (…

…opensearch-project#8704)

This change fixes RemoteStoreReplicationSourceTests.testGetCheckpointMetadataEmpty by properly setting replication type
for on primary shards.

Signed-off-by: Marc Handalian <handalm@amazon.com>
Signed-off-by: Kaushal Kumar <ravi.kaushal97@gmail.com>

server/src/test/java/org/opensearch/indices/replication/RemoteStoreReplicationSourceTests.java

@@ -45,18 +45,16 @@ public class RemoteStoreReplicationSourceTests extends OpenSearchIndexLevelRepli
 
     private Store remoteStore;
 
+    private final Settings settings = Settings.builder()
+        .put(IndexMetadata.SETTING_REMOTE_STORE_ENABLED, true)
+        .put(IndexMetadata.SETTING_REPLICATION_TYPE, ReplicationType.SEGMENT)
+        .build();
+
     @Override
     public void setUp() throws Exception {
         super.setUp();
 
-        indexShard = newStartedShard(
-            true,
-            Settings.builder()
-                .put(IndexMetadata.SETTING_REMOTE_STORE_ENABLED, true)
-                .put(IndexMetadata.SETTING_REPLICATION_TYPE, ReplicationType.SEGMENT)
-                .build(),
-            new InternalEngineFactory()
-        );
+        indexShard = newStartedShard(true, settings, new InternalEngineFactory());
 
         indexDoc(indexShard, "_doc", "1");
         indexDoc(indexShard, "_doc", "2");
@@ -133,7 +131,7 @@ public void testGetCheckpointMetadataEmpty() throws ExecutionException, Interrup
         try {
             emptyIndexShard = newStartedShard(
                 true,
-                Settings.builder().put(IndexMetadata.SETTING_REMOTE_STORE_ENABLED, true).build(),
+                settings,
                 new InternalEngineFactory()
             );
             RemoteSegmentStoreDirectory remoteSegmentStoreDirectory =