fix memory CB bugs and upgrade UTs to compatible with core changes#2469

Merged

Zhangxunmt merged 2 commits intoopensearch-project:mainfrom Zhangxunmt:main

May 23, 2024

Commits on May 22, 2024

fix memory CB bugs
Zhangxunmt
committed

Commits on May 23, 2024

change CB limit exception code to 429 and skip CB check for remote models
Zhangxunmt
committed