Complete transition away from auto-tests (#100)

* Implement new Tetrahedron tests

* Bugfix

* Fix tests

* Apply suggestions from code review [skip ci]

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* Implement new Triangle tests

* Implement new tests for Cylinder and CylinderSurface

* Implement new tests for Torus

* Format suggestion

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* Implement new tests for ParaboloidSurface

* Implement new tests for Ball in 2D

* Implement new tests for Ball in 3D

* Implement new tests for Sphere in 3D

* Implement new tests for Sphere in 2D

* Fix accidental code movement

* Implement new tests for Circle

* Apply suggestions from code review

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* Implement new tests for Disk

* Apply suggestions from code review

Co-authored-by: Joshua Lampert <51029046+JoshuaLampert@users.noreply.github.com>

* remove auto_tests.jl

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Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Joshua Lampert <51029046+JoshuaLampert@users.noreply.github.com>
Co-authored-by: Joshua Lampert <joshua.lampert@uni-hamburg.de>