Fix MSE and MAPE Single Queries

[KaiyiLiu1234]

Fixed MSE Queries and added MAPE Queries and included Query outputs in cli. These changes are fixed to @rootfs PR

[github-actions]

🤖 SeineSailor

Here's a concise summary of the pull request changes:

Summary: This pull request, "Fix MSE and MAPE Single Queries," enhances the validator tool to support Mean Absolute Percentage Error (MAPE) queries. Key modifications include:

• Adding mape_test_cases to CasesResult and mape_prom_queries to KeplerProm classes.
• Updating the load_test_cases method and stress function to handle MAPE queries.
• Displaying MAPE query results in the CLI and report.

Impact: These changes improve the validator tool's functionality, allowing it to process MAPE queries and provide relevant output. The modifications are based on a referenced pull request (#1508), ensuring consistency and coherence in the codebase.

Observations/Suggestions:

• The changes seem well-structured and focused on a specific feature enhancement.
• It would be beneficial to include unit tests to ensure the new functionality works as expected.
• Consider adding documentation updates to reflect the changes and provide guidance for users.
• Review the code for any potential performance implications, especially when handling MAPE queries.

[KaiyiLiu1234]

Note queries that do not work are anyones which are {job='vm', mode='idle'}. VM does not appear to account for idle. Only dynamic.

[rootfs]

Note queries that do not work are anyones which are {job='vm', mode='idle'}. VM does not appear to account for idle. Only dynamic.

you need to turn on idle power on the VM (i.e. EXPOSE_ESTIMATED_IDLE_POWER_METRICS=true)
https://github.com/sustainable-computing-io/kepler-metal-ci/blob/main/ansible/kepler_playbook.yml#L26