Replace sleep with await method in functions

[vermakhushboo]

What does this PR do?

Replace sleep in tests with while(true) loops so that we only sleep until execution or deployment is complete.

Test Plan

(Write your test plan here. If you changed any code, please provide us with clear instructions on how you verified your changes work. Screenshots may also be helpful.)

Related PRs and Issues

• (Related PR or issue)

Checklist

• [ ] Have you read the Contributing Guidelines on issues?
• [ ] If the PR includes a change to an API's metadata (desc, label, params, etc.), does it also include updated API specs and example docs?