refactor: update geometry tests

[germa89]

Description

Small changes to the CAD tests.

Issue linked

Close #3929

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)

Summary by Sourcery

Refactor geometry import tests to explicitly upload CAD files before import and update the CATIA V5 import conditional to use os.name for platform detection.

Tests:

• Add explicit mapdl.upload calls for CubeWithHole files in IGES, SAT, XT, and CATIA V5 import tests
• Replace ON_CI flag with os.name == "posix" for CATIA V5 import conditional

[ansys-reviewer-bot]

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[sourcery-ai]

Reviewer's Guide

This PR refactors the CAD geometry import tests to first upload CAD files via mapdl.upload before invoking import routines and replaces the generic ON_CI flag with an explicit os.name POSIX check for improved platform detection.

File-Level Changes

Change	Details	Files
Standardize CAD file upload before import	Insert mapdl.upload(...) before igesin in test_readin_igs and adjust igesin arguments Insert mapdl.upload(...) before satin in test_readin_sat Insert mapdl.upload(...) before parain in test_readin_x_t Insert mapdl.upload(...) before cat5in in test_readin_catiav5	tests/test_importing_geometries.py
Replace ON_CI flag with os.name POSIX check	Replace 'elif ON_CI' with 'elif os.name == "posix"' in test_readin_catiav5	tests/test_importing_geometries.py

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#3929	Disable or skip Catia V5 tests on Linux.	✅

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[sourcery-ai]

Hey @germa89 - I've reviewed your changes - here's some feedback:

• You’re repeating mapdl.upload(...) in each CAD format test—consider moving this into a shared fixture or helper function (or using pytest.mark.parametrize) to reduce duplication.
• The switch from ON_CI to os.name == 'posix' may be too broad—if the intent is to skip only CI environments, use a more targeted check (e.g. a CI-specific env var) or add a comment explaining why all POSIX platforms should behave differently.

Here's what I looked at during the review

• 🟡 General issues: 1 issue found
• 🟢 Testing: all looks good
• 🟢 Documentation: all looks good

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[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 88.27%. Comparing base (55914e8) to head (8684ed6).
Report is 2 commits behind head on main.

❌ Your patch status has failed because the patch coverage (80.00%) is below the target coverage (90.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3930      +/-   ##
==========================================
- Coverage   88.29%   88.27%   -0.02%     
==========================================
  Files         187      187              
  Lines       14830    14840      +10     
==========================================
+ Hits        13094    13100       +6     
- Misses       1736     1740       +4     

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[germa89]

I am going to settle for this @pyansys-ci-bot LGTM.

[pyansys-ci-bot]

✅ Approving this PR because germa89 said so in here 😬

[germa89]

@dts12263 shared with me some catiav4 and catiav5 examples for future testing.