[Flaky Unit test failure][WIndows] UpdateModelGraveyardTransportActionTests fails in CI

[VijayanB]

What is the bug?
Flaky test Failure causing CI to fail

How can one reproduce the bug?
Steps to reproduce the behavior:

REPRODUCE WITH: gradlew ':test' --tests "org.opensearch.knn.plugin.transport.UpdateModelGraveyardTransportActionTests.testClusterManagerOperation_GetIndicesUsingModel" -Dtests.seed=926B1157A53D5556 -Dtests.security.manager=false -Dtests.locale=en-150 -Dtests.timezone=Pacific/Auckland -Druntime.java=21

What is the expected behavior?
No test failure

What is your host/environment?

• OS: Windows
• Version 2.X

Do you have any screenshots?
N/A

Do you have any additional context?
Error Message:

org.opensearch.knn.plugin.transport.UpdateModelGraveyardTransportActionTests > testClusterManagerOperation_GetIndicesUsingModel FAILED
    java.lang.AssertionError: Failed to add model: [.opensearch-knn-models/AclqSkbqRUSkMeGdq_f09w] IndexNotFoundException[no such index [.opensearch-knn-models]]
        at __randomizedtesting.SeedInfo.seed([926B1157A53D5556]:0)
        at org.junit.Assert.fail(Assert.java:89)
        at org.opensearch.knn.KNNSingleNodeTestCase$1.onFailure(KNNSingleNodeTestCase.java:275)
        at org.opensearch.core.action.ActionListener$1.onFailure(ActionListener.java:90)
        at org.opensearch.core.action.ActionListener$1.onFailure(ActionListener.java:90)
        at org.opensearch.action.support.TransportAction$1.onFailure(TransportAction.java:124)
        at org.opensearch.action.bulk.TransportSingleItemBulkWriteAction.lambda$wrapBulkResponse$0(TransportSingleItemBulkWriteAction.java:86)
        at org.opensearch.core.action.ActionListener$1.onResponse(ActionListener.java:82)
        at org.opensearch.core.action.ActionListener$6.onResponse(ActionListener.java:301)
        at org.opensearch.action.bulk.TransportBulkAction$BulkOperation$1.finishHim(TransportBulkAction.java:701)
        at org.opensearch.action.bulk.TransportBulkAction$BulkOperation$1.onFailure(TransportBulkAction.java:695)
        at org.opensearch.core.action.ActionListener$6.onFailure(ActionListener.java:311)
        at org.opensearch.telemetry.tracing.listener.TraceableActionListener.onFailure(TraceableActionListener.java:69)
        at org.opensearch.action.support.TransportAction$1.onFailure(TransportAction.java:124)
        at org.opensearch.action.support.replication.TransportReplicationAction$ReroutePhase.finishAsFailed(TransportReplicationAction.java:1213)
        at org.opensearch.action.support.replication.TransportReplicationAction$ReroutePhase.doRun(TransportReplicationAction.java:1012)
        at org.opensearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:52)
        at org.opensearch.action.support.replication.TransportReplicationAction$ReroutePhase$2.onNewClusterState(TransportReplicationAction.java:1193)
        at org.opensearch.cluster.ClusterStateObserver$ContextPreservingListener.onNewClusterState(ClusterStateObserver.java:380)
        at org.opensearch.cluster.ClusterStateObserver$ObserverClusterStateListener.postAdded(ClusterStateObserver.java:257)
        at org.opensearch.cluster.service.ClusterApplierService$1.run(ClusterApplierService.java:346)
        at org.opensearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:932)
        at org.opensearch.common.util.concurrent.PrioritizedOpenSearchThreadPoolExecutor$TieBreakingPrioritizedRunnable.runAndClean(PrioritizedOpenSearchThreadPoolExecutor.java:283)
        at org.opensearch.common.util.concurrent.PrioritizedOpenSearchThreadPoolExecutor$TieBreakingPrioritizedRunnable.run(PrioritizedOpenSearchThreadPoolExecutor.java:246)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1583)