Mesh_3 - add a test with self-intersecting input

[janetournois]

Issue Details

we should add a test for Mesh_3 that runs mesh generation from a polyhedral self-intersecting input, using edge_distance and edge_min_size

[Rakshith-sakhamuri]

Hi @janetournois
Could you please provide more details on what specifically we need to test? I would appreciate your guidance on how to proceed.