[hotfix] Fix flaky TableChangeWatcherTest by awaiting CuratorCache init#2936

platinumhamburg wants to merge 1 commit intoapache:mainapache/fluss:mainfrom

platinumhamburg:fix/flaky-table-change-watcher-testplatinumhamburg/fluss:fix/flaky-table-change-watcher-testCopy head branch name to clipboard