* [HUDI-3730] Improve meta sync class design and hierarchies (#5754)
* Implements class design proposed in RFC-55
Co-authored-by: jian.feng <fengjian428@gmial.com>
Co-authored-by: jian.feng <jian.feng@shopee.com>
- Upgrade junit to 5.7.2
- Downgrade surefire and failsafe to 2.22.2
- Fix test failures that were previously not reported
- Improve azure pipeline configs
Co-authored-by: liujinhui1994 <965147871@qq.com>
Co-authored-by: Y Ethan Guo <ethan.guoyihua@gmail.com>