[test] Unstable test PaimonTieringITCase.testTiering

[github-actions]

https://github.com/apache/fluss/actions/runs/27073030440/job/79905510902

[ERROR] org.apache.fluss.lake.paimon.tiering.PaimonTieringITCase.testTiering  Time elapsed: 7.634 s  <<< FAILURE!
org.opentest4j.AssertionFailedError: 

[zerolbsony]

I'm watching this issue, and already start to find the cause.