[BUG] org.opensearch.search.sort.FieldSortIT.testNestedSort is flaky

[reta]

Describe the bug
The test case org.opensearch.search.sort.FieldSortIT.testNestedSort {p0={"search.concurrent_segment_search.enabled":"true"}} is flaky:

org.opensearch.search.sort.FieldSortIT.testNestedSort {p0={"search.concurrent_segment_search.enabled":"true"}}

java.lang.AssertionError: Unexpected ShardFailures: [shard [[ZnnKIyq6S-27DJ1SdUqFeQ][test][0]], reason [RemoteTransportException[[node_s3][127.0.0.1:41401][indices:data/read/search[phase/query]]]; nested: QueryPhaseExecutionException[Query Failed [Failed to execute main query]]; nested: NotSerializableExceptionWrapper[no_such_element_exception: null]; ], cause [NotSerializableExceptionWrapper[no_such_element_exception: null]
	at java.util.LinkedList.removeFirst(LinkedList.java:281)
	at java.util.LinkedList.pop(LinkedList.java:812)
	at org.opensearch.index.query.support.NestedScope.previousLevel(NestedScope.java:71)
	at org.opensearch.search.sort.SortBuilder.resolveNestedQuery(SortBuilder.java:252)
	at org.opensearch.search.sort.SortBuilder.resolveNested(SortBuilder.java:202)
	at org.opensearch.search.sort.SortBuilder.resolveNested(SortBuilder.java:198)
	at org.opensearch.search.sort.FieldSortBuilder.nested(FieldSortBuilder.java:583)
	at org.opensearch.search.sort.FieldSortBuilder.build(FieldSortBuilder.java:409)
	at org.opensearch.search.sort.SortBuilder.buildSort(SortBuilder.java:168)
	at org.opensearch.search.sort.FieldSortBuilder.getMinMaxOrNullInternal(FieldSortBuilder.java:629)
	at org.opensearch.search.sort.FieldSortBuilder.getMinMaxOrNullForSegment(FieldSortBuilder.java:624)
	at org.opensearch.search.internal.ContextIndexSearcher.canMatchSearchAfter(ContextIndexSearcher.java:514)
	at org.opensearch.search.internal.ContextIndexSearcher.canMatch(ContextIndexSearcher.java:506)
	at org.opensearch.search.internal.ContextIndexSearcher.searchLeaf(ContextIndexSearcher.java:297)
	at org.opensearch.search.internal.ContextIndexSearcher.search(ContextIndexSearcher.java:282)
	at org.apache.lucene.search.IndexSearcher.lambda$search$1(IndexSearcher.java:715)
	at java.util.concurrent.FutureTask.run(FutureTask.java:317)
	at org.opensearch.threadpool.TaskAwareRunnable.doRun(TaskAwareRunnable.java:78)
	at org.opensearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:52)
	at org.opensearch.common.util.concurrent.TimedRunnable.doRun(TimedRunnable.java:59)
	at org.opensearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:911)
	at org.opensearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:52)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.lang.Thread.run(Thread.java:1583)
]]
Expected: <0>
     but: was <1>

To Reproduce

./gradlew ':server:internalClusterTest' --tests "org.opensearch.search.sort.FieldSortIT" -Dtests.method="testNestedSort {p0={"search.concurrent_segment_search.enabled":"true"}}" -Dtests.seed=8BF6866B7AD32A83

Expected behavior
A clear and concise description of what you expected to happen.

Plugins
Standard

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

• CI

Additional context

• https://build.ci.opensearch.org/job/gradle-check/30157/testReport/junit/org.opensearch.search.sort/FieldSortIT/testNestedSort__p0___search_concurrent_segment_search_enabled___true___/

[jed326]

This looks like the same race condition as #11187. Will try to open a PR for this issue this week.