fix: adapt tessellate tests to new core service

[b-matteo]

Description

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Issue linked

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Checklist

• [X] I have tested my changes locally.
• [ ] I have added necessary documentation or updated existing documentation.
• [X] I have followed the coding style guidelines of this project.
• [X] I have added appropriate unit tests.
• [X] 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.
• [X] I have assigned this PR to myself.
• [ ] I have added the minimum version decorator to any new backend method implemented.
• [X] I have made sure that the title of my PR follows Conventional commits style (e.g. feat: extrude circle to cylinder)

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 91.83%. Comparing base (4b1d95e) to head (dbe8975). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1449 +/- ## ======================================= Coverage 91.83% 91.83% ======================================= Files 86 86 Lines 6880 6880 ======================================= Hits 6318 6318 Misses 562 562 ```

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