[Backport 2.x] Update deprecated openAI mode in integration test and fix flaky tests…#1858

Merged

ylwu-amzn merged 1 commit intoopensearch-project:2.xfrom Hailong-am:backport/backport-1846-to-2.x

Jan 12, 2024

+42-31

Commits on Jan 12, 2024

Update deprecated openAI mode in integration test and fix flaky tests (opensearch-project#1846 )
Hailong-am
committed