[Chore] Fix JdbcRegistryTestCase might failed due to purge dead clients interval is too small#16894

ruanwenjun merged 1 commit intoapache:devapache/dolphinscheduler:devfrom

ruanwenjun:dev_wenjun_fixJdbcRegistryInUTruanwenjun/dolphinscheduler:dev_wenjun_fixJdbcRegistryInUTCopy head branch name to clipboard