test: skip test

[germa89]

Description

Recent changes on testing, make that some tests which where not tested before, are now tested.
The issue is a bit complex, because PyMAPDL leave some MAPDL instances loose, so I should make sure that mapdl.exit works properly.

Because other developers downstream needs ansys-api-mapdl 0.5.2, I'm going to do a patch release skipping these tests.

Issue linked

Related to #3254, #3257

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 86.61%. Comparing base (d4fe3a1) to head (207f858).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3259   +/-   ##
=======================================
  Coverage   86.61%   86.61%           
=======================================
  Files          53       53           
  Lines        9630     9630           
=======================================
  Hits         8341     8341           
  Misses       1289     1289