test: disable pool test

[germa89]

Description

Temporaly disabling pool tests.

Issue linked

Please mention the issue number or describe the problem this pull request addresses.

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

All modified and coverable lines are covered by tests ✅

Project coverage is 86.69%. Comparing base (9047d71) to head (0cbf08e).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3264      +/-   ##
==========================================
+ Coverage   86.61%   86.69%   +0.08%     
==========================================
  Files          53       53              
  Lines        9630     9629       -1     
==========================================
+ Hits         8341     8348       +7     
+ Misses       1289     1281       -8     

[germa89]

Closed in favour of #3266