[test] Fix flaky FlussAdminITCase.testDynamicConfigs#3303

Kaixuan-Duan wants to merge 1 commit into

apache:mainapache/fluss:mainfrom

Kaixuan-Duan:issue-3127-unstable-dynamic-configs-testKaixuan-Duan/fluss:issue-3127-unstable-dynamic-configs-testCopy head branch name to clipboard