tests: adding timeout to each test

[germa89]

Description

Set a timeout for each test

Issue linked

Related to #3577

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 87.00%. Comparing base (1473bdd) to head (9eda717).
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3621      +/-   ##
==========================================
+ Coverage   86.97%   87.00%   +0.02%     
==========================================
  Files         187      187              
  Lines       14630    14661      +31     
==========================================
+ Hits        12725    12756      +31     
  Misses       1905     1905              

[germa89]

@pyansys-ci-bot LGTM

[pyansys-ci-bot]

✅ Approving this PR because germa89 said so in here 😬