Test: jsonschema for cv_change_control_v3

[sugetha24]

Change Summary

Added jsonschema for cv_change_control_v3

Related Issue(s)

Fixes #530

Component(s) name

arista.cvp.cv_change_control_v3

Proposed changes

How to test

pytest tests/unit/test_json_schema.py -s

Repository Checklist

• [x] My code has been rebased from devel before I start
• [x] I have read the CONTRIBUTING document.
• [x] My change requires a change to the documentation and documentation have been updated accordingly. (check the box if not applicable)
• [ ] I have updated molecule CI testing accordingly. (check the box if not applicable)