[BUG] org.opensearch.indices.store.IndicesStoreIntegrationIT.testShardActiveElsewhereDoesNotDeleteAnother with remote store enabled is flaky

[dblock]

Describe the bug

org.opensearch.indices.store.IndicesStoreIntegrationIT.testShardActiveElsewhereDoesNotDeleteAnother

com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=2648, name=opensearch[node_t1][remote_refresh_retry][T#1], state=RUNNABLE, group=TGRP-IndicesStoreIntegrationIT]
	at __randomizedtesting.SeedInfo.seed([D0CBB573CE1C86B1:636A211921CEDAC3]:0)
Caused by: org.opensearch.core.concurrency.OpenSearchRejectedExecutionException: rejected execution of java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@299ba45c[Not completed, task = java.util.concurrent.Executors$RunnableAdapter@11232e88[Wrapped task = [threaded] org.opensearch.index.shard.ReleasableRetryableRefreshListener$$Lambda/0x00007f39bcba8f88@53ce2a03]] on org.opensearch.threadpool.Scheduler$SafeScheduledThreadPoolExecutor@641c0c3b[Shutting down, pool size = 1, active threads = 0, queued tasks = 0, completed tasks = 15]
	at __randomizedtesting.SeedInfo.seed([D0CBB573CE1C86B1]:0)
	at app//org.opensearch.common.util.concurrent.OpenSearchAbortPolicy.rejectedExecution(OpenSearchAbortPolicy.java:67)
	at [email protected]/java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:841)
	at [email protected]/java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute(ScheduledThreadPoolExecutor.java:340)
	at [email protected]/java.util.concurrent.ScheduledThreadPoolExecutor.schedule(ScheduledThreadPoolExecutor.java:562)
	at app//org.opensearch.threadpool.ThreadPool.schedule(ThreadPool.java:469)
	at app//org.opensearch.index.shard.ReleasableRetryableRefreshListener.scheduleRetry(ReleasableRetryableRefreshListener.java:125)
	at app//org.opensearch.index.shard.ReleasableRetryableRefreshListener.scheduleRetry(ReleasableRetryableRefreshListener.java:178)
	at app//org.opensearch.index.shard.ReleasableRetryableRefreshListener.runAfterRefreshWithPermit(ReleasableRetryableRefreshListener.java:167)
	at app//org.opensearch.index.shard.ReleasableRetryableRefreshListener.lambda$scheduleRetry$2(ReleasableRetryableRefreshListener.java:126)
	at app//org.opensearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:854)
	at [email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at [email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at [email protected]/java.lang.Thread.run(Thread.java:1583)

Related component

Storage:Durability

To Reproduce

See #12817

Expected behavior

Test always passes.

Additional Details

Plugins
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Host/Environment (please complete the following information):

• OS: [e.g. iOS]
• Version [e.g. 22]

Additional context
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[peternied]

[Triage - attendees 1 2 3 4 5 6 7]
@dblock Thanks for creating this issue.

[skumawat2025]

This got fixed with #13301.
tests were run 9000+ times, and the issue did not reproduce. Closing the issue.