[regression](round)Add round and cast function tests in regression tests

[caoliang-web]

Problem Summary:

Add round and cast function tests in regression tests

Checklist(Required)

1. Does it affect the original behavior: (Yes/No/I Don't know)
2. Has unit tests been added: (Yes/No/No Need)
3. Has document been added or modified: (Yes/No/No Need)
4. Does it need to update dependencies: (Yes/No)
5. Are there any changes that cannot be rolled back: (Yes/No)

Further comments

If this is a relatively large or complex change, kick off the discussion at [email protected] by explaining why you chose the solution you did and what alternatives you considered, etc...

[dataalive]

LGTM

[github-actions[bot]]

PR approved by anyone and no changes requested.

[stalary]

Please rebase.