[BUG] org.opensearch.recovery.RelocationIT.testRelocateWhileWaitingForRefresh is flaky

[reta]

Describe the bug
The test case org.opensearch.recovery.RelocationIT.testRelocateWhileWaitingForRefresh is flaky:

org.opensearch.recovery.RelocationIT.testRelocateWhileWaitingForRefresh

java.lang.AssertionError: Unexpected ShardFailures: [shard [[-RiKDuSXScO6_bS1kOrA9w][test][0]], reason [NodeDisconnectedException[[node_t1][127.0.0.1:44623][indices:data/read/search[phase/fetch/id]] disconnected]], cause [NodeDisconnectedException[[node_t1][127.0.0.1:44623][indices:data/read/search[phase/fetch/id]] disconnected]
]]
Expected: <0>
     but: was <1>
	at __randomizedtesting.SeedInfo.seed([6D8F777A72F32A76]:0)
	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:18)
	at org.opensearch.test.hamcrest.OpenSearchAssertions.assertNoFailures(OpenSearchAssertions.java:339)
	at org.opensearch.recovery.RelocationIT.lambda$testIndexSearchAndRelocateConcurrently$8(RelocationIT.java:550)
	at java.base/java.lang.Thread.run(Thread.java:833)

To Reproduce

./gradlew ':server:internalClusterTest' --tests "org.opensearch.recovery.RelocationIT.testIndexSearchAndRelocateConcurrently" -Dtests.seed=6D8F777A72F32A76

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/29612/testReport/junit/org.opensearch.recovery/RelocationIT/testRelocateWhileWaitingForRefresh/

[reta]

Closing in favour of #14309