core: Clean and modernize test.cc
Clean and modernize src/core/model/test.cc.
I divided the MR in multiple commits to facilitate reviewing the code. However, they will be squashed upon merging.
Edited by Eduardo Almeida
Clean and modernize src/core/model/test.cc.
I divided the MR in multiple commits to facilitate reviewing the code. However, they will be squashed upon merging.