Unit test of multi-k codes for DeePKS need to be reopened. #6031
Description
Describe the Testing Issue
DeePKS multi-k unit test was closed several versions ago and it need to be reopened since the multi-k code refactor has been finished.
Additional Context
No response
Task list for Issue attackers (only for developers)
- Understand the testing issue described by the developer.
- Review the specific test case, expected and actual results, and any error messages.
- Identify the root cause of the test failure or issue.
- If a possible solution is suggested, evaluate its feasibility and effectiveness.
- Implement a fix for the test failure or issue, or create a new test case if needed.
- Verify that the fix resolves the testing issue and the test case passes.
- Review and update any relevant documentation, such as test plans or user guides.
- Ensure the testing issue is resolved and close the ticket.
- Share any lessons learned or best practices with the team to prevent similar issues in the future.