[Good first issue] Fix S3ObjectsImageTest#testConcurrentRefRetainAndReleaseNotThrowException flaky test

[superhx]

Gradle Test Run :metadata:S3UnitTest > Gradle Test Executor 10 > S3ObjectsImageTest > testConcurrentRefRetainAndReleaseNotThrowException() FAILED
    org.opentest4j.AssertionFailedError: expected: <true> but was: <false>
        at app//org.junit.jupiter.api.AssertionFailureBuilder.build(AssertionFailureBuilder.java:151)
        at app//org.junit.jupiter.api.AssertionFailureBuilder.buildAndThrow(AssertionFailureBuilder.java:132)
        at app//org.junit.jupiter.api.AssertTrue.failNotTrue(AssertTrue.java:63)
        at app//org.junit.jupiter.api.AssertTrue.assertTrue(AssertTrue.java:36)
        at app//org.junit.jupiter.api.AssertTrue.assertTrue(AssertTrue.java:31)
        at app//org.junit.jupiter.api.Assertions.assertTrue(Assertions.java:183)
        at app//org.apache.kafka.image.S3ObjectsImageTest.testConcurrentRefRetainAndReleaseNotThrowException(S3ObjectsImageTest.java:218)

[chengxs258]

Let me try!

[MokshVerma]

Not sure how to replicate this or if it has been fixed.