Reorganize Python unit tests for `modmesh::universe`#705

Merged

yungyuc merged 2 commits intosolvcon:masterfrom

yungyuc:refactor/test-universe

Mar 29, 2026

Commits on Mar 28, 2026

Factor out the tests in `test_universe.py` to distinct files
yungyuc
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Merge `test_polygon3d.py` and `test_universe_trap.py` into `test_universe_shape2d.py`
yungyuc
committed