TEST: Avoid skipping and disable plot

[SMoraisAnsys]

Description

As title says.

Issue linked

Close #6887

Checklist

• I have tested my changes locally.
• I have added necessary documentation or updated existing documentation.
• I have followed the coding style guidelines of this project.
• I have added appropriate tests (unit, integration, system).
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved by the PR if any.
• I have agreed with the Contributor License Agreement (CLA).

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.06%. Comparing base (4c6ee72) to head (aaf94b8).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6889      +/-   ##
==========================================
+ Coverage   78.79%   81.06%   +2.27%     
==========================================
  Files         246      246              
  Lines       78101    78101              
==========================================
+ Hits        61536    63314    +1778     
+ Misses      16565    14787    -1778     

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[SMoraisAnsys]

This issue is akward because I was able to run the tests from within the CI with 4 workers... I'll see if updating the number of workers does change something. Note that there are still some matplotlib figures being open (and showing) as well as many figures created in some tests.

[Samuelopez-ansys]

LGTM

[SMoraisAnsys]

@Samuelopez-ansys it seems that without multiple workers, the tests are passing. I'm trying with 2 workers to see how it behaves

[SMoraisAnsys]

It works with 2 workers, trying with a third one