perf: reduce-testing-time

[germa89]

Description

As the title. Reducing testing time.

Issue linked

Close #3281

Checklist

• I have visited and read Develop PyMAPDL.
• I have tested my changes locally
• I have added necessary documentation or updated existing documentation.
• I have followed the PyMAPDL coding style guidelines.
• I have added appropriate unit tests that also ensure the minimal coverage criteria.
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved to the PR if any.
• I have assigned this PR to myself.
• I have marked this PR as draft if it is not ready to be reviewed yet.
• I have made sure that the title of my PR follows Commit naming conventions (e.g. feat: adding new MAPDL command)

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[codecov]

Codecov Report

Attention: Patch coverage is 91.42857% with 3 lines in your changes missing coverage. Please review.

Project coverage is 83.80%. Comparing base (8298793) to head (224b0f0).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3427      +/-   ##
==========================================
- Coverage   85.14%   83.80%   -1.35%     
==========================================
  Files          55       55              
  Lines        9962     9971       +9     
==========================================
- Hits         8482     8356     -126     
- Misses       1480     1615     +135