refine AoX calculation and include test attributes

[bryanlundberg]

What does this PR do?

• Fixes the calculation of the best AoX by adding logic to remove the best and worst times before calculating the average in the current interval.
• Synchronize the statistics of the selected cube from all possible ways that offers a change cube option.
• Synchronize the statistics after delete a cube session.
• Adds some data-testid attributes as the purpose of this PR started to add more test. 🙄

By submitting this PR, I confirm that:

• I have reviewed my code and believe it is ready for merging.
• I understand that this PR may be subject to review and changes.
• I agree to abide by the code of conduct and contributing guidelines of this project.

[bryanlundberg]

ok