org.opensearch.repositories.s3.S3BlobStoreRepositoryTests.testRequestStats fails with NullPointerException (#13814)

It's a NullPointerException from S3BlobStore.extendedStats() method, where 'genericStatsMetricPublisher' is null. This parameter sets through S3Repository constructor from test and in this test it sets as null. This is the root cause of the issue. If we set valid a GenericStatsMetricPublisher, test works fine without any issue. This was a consistent failure, not a random failure.

Resolves #10735

Signed-off-by: akolarkunnu <abdul.kolarkunnu@netapp.com>
Co-authored-by: akolarkunnu <abdul.kolarkunnu@netapp.com>

Author: akolarkunnu

plugins/repository-s3/src/internalClusterTest/java/org/opensearch/repositories/s3/S3BlobStoreRepositoryTests.java

@@ -165,7 +165,6 @@ protected Settings nodeSettings(int nodeOrdinal) {
         return builder.build();
     }
 
-    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/OpenSearch/issues/10735")
     @Override
     public void testRequestStats() throws Exception {
         final String repository = createRepository(randomName());
@@ -249,6 +248,8 @@ protected S3Repository createRepository(
             ClusterService clusterService,
             RecoverySettings recoverySettings
         ) {
+            GenericStatsMetricPublisher genericStatsMetricPublisher = new GenericStatsMetricPublisher(10000L, 10, 10000L, 10);
+
             return new S3Repository(
                 metadata,
                 registry,
@@ -263,7 +264,7 @@ protected S3Repository createRepository(
                 false,
                 null,
                 null,
-                null
+                genericStatsMetricPublisher
             ) {
 
                 @Override