**Build scan:**
https://gradle-enterprise.elastic.co/s/4647z2olruffa/tests/:server:internalClusterTest/org.elasticsearch.snapshots.DedicatedClusterSnapshotRestoreIT/testSnapshotDeleteRelocatingPrimaryIndex

**Reproduction line:**
`./gradlew ':server:internalClusterTest' --tests "org.elasticsearch.snapshots.DedicatedClusterSnapshotRestoreIT.testSnapshotDeleteRelocatingPrimaryIndex" -Dtests.seed=7CB99D2060E62358 -Dtests.locale=ar-KW -Dtests.timezone=ECT -Druntime.java=17`

**Applicable branches:**
main

**Reproduces locally?:**
Yes

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.snapshots.DedicatedClusterSnapshotRestoreIT&tests.test=testSnapshotDeleteRelocatingPrimaryIndex

**Failure excerpt:**
```
java.util.concurrent.TimeoutException: Timeout waiting for task.

  at org.elasticsearch.common.util.concurrent.BaseFuture$Sync.get(BaseFuture.java:228)
  at org.elasticsearch.common.util.concurrent.BaseFuture.get(BaseFuture.java:53)
  at org.elasticsearch.test.ClusterServiceUtils.awaitClusterState(ClusterServiceUtils.java:226)
  at org.elasticsearch.snapshots.AbstractSnapshotIntegTestCase.awaitClusterState(AbstractSnapshotIntegTestCase.java:577)
  at org.elasticsearch.snapshots.AbstractSnapshotIntegTestCase.awaitNoMoreRunningOperations(AbstractSnapshotIntegTestCase.java:560)
  at org.elasticsearch.snapshots.AbstractSnapshotIntegTestCase.awaitNoMoreRunningOperations(AbstractSnapshotIntegTestCase.java:555)
  at org.elasticsearch.snapshots.DedicatedClusterSnapshotRestoreIT.testSnapshotDeleteRelocatingPrimaryIndex(DedicatedClusterSnapshotRestoreIT.java:1140)
  at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2)
  at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
  at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:568)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:44)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
  at java.lang.Thread.run(Thread.java:833)

```

As discussed with @pxsalehi this is a real bug that can lead to aborted or failed shard snapshots never completing due to an oversight in #88209 . This could theoretically also affect other tests around aborting/failing shard snapshots. A fix is known and in-progress.
server/src/main/java/org/elasticsearch/repositories/blobstore/BlobStoreRepository.java
)
                )
            );
         (Map.Entry<RepositoryShardId, Set<ShardGeneration>> obsoleteEntry : finalizeSnapshotContext.obsoleteShardGenerations()
            .entrySet()) {
            final String containerPath = shardPath(obsoleteEntry.getKey().index(), obsoleteEntry.getKey().shardId()).buildAsString()
                .substring(prefixPathLen) + INDEX_FILE_PREFIX;
             (ShardGeneration shardGeneration : obsoleteEntry.getValue()) {
                toDelete.add(containerPath + shardGeneration);
            }
        }
        if (toDelete.isEmpty() == false) {
            threadPool.executor(ThreadPool.Names.SNAPSHOT).execute(() -> {
                try {
                    deleteFromContainer(blobContainer(), toDelete.iterator());
                } catch (Exception e) {
                    logger.warn("Failed to clean up old shard generation blobs", e);
                } finally {
                    finalizeSnapshotContext.onDone(snapshotInfo);
                }
            });
        } else {
            finalizeSnapshotContext.onDone(snapshotInfo);
        }
    }
    @Override
    public void getSnapshotInfo(GetSnapshotInfoContext context) {
        // 
        // 
        final int workers = Math.min(threadPool.info(ThreadPool.Names.SNAPSHOT_META).getMax(), context.snapshotIds().size());