[BUG] org.opensearch.indices.stats.IndexStatsIT.testFilterCacheStats is flaky

[ankitkala]

Describe the bug

Gradle check failure: https://build.ci.opensearch.org/job/gradle-check/34668/consoleFull

REPRODUCE WITH: ./gradlew ':server:internalClusterTest' --tests "org.opensearch.indices.stats.IndexStatsIT" -Dtests.method="testFilterCacheStats {p0={"cluster.indices.replication.strategy":"SEGMENT"}}" -Dtests.seed=DD7603082E5D7F87 -Dtests.security.manager=true -Dtests.jvm.argline="-XX:TieredStopAtLevel=1 -XX:ReservedCodeCacheSize=64m" -Dtests.locale=ar-SA -Dtests.timezone=Pacific/Guam -Druntime.java=21
  2> java.lang.AssertionError: 
    Expected: <5L>
         but: was <-1L>
        at __randomizedtesting.SeedInfo.seed([DD7603082E5D7F87:B849FE4D9E5578FE]:0)
        at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:18)
        at org.junit.Assert.assertThat(Assert.java:964)
        at org.junit.Assert.assertThat(Assert.java:930)
        at org.opensearch.indices.stats.IndexStatsIT.persistGlobalCheckpoint(IndexStatsIT.java:1508)
        at org.opensearch.indices.stats.IndexStatsIT.testFilterCacheStats(IndexStatsIT.java:1254)

Related component

Indexing:Replication

To Reproduce

Not able to reproduce.

Expected behavior

Test should always succeed

Additional Details

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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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[andrross]

[Triage - attendees 1 2 3]
@ankitkala Thanks for filing this issue.