Resolve "Change to `workflow::in qa` when assigned to QA"

What does this MR do and why?

Add code to realize the function : Change to workflow::in qa when assigned to QA.

Screenshots or screen recordings

How to set up and validate locally

Use GDK to validate this function locally.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• Write code to realize this function.
• Add test case for this function.
• Validate this function using GDK.

Closes #20 (closed)