test cpp serialization fail in macos full, but pass in macos split

[nim65s]

py-pinocchio> 122/236 Test #123: pinocchio-test-cpp-serialization-multibody ...................***Failed    0.13 sec
py-pinocchio> Running 5 test cases...
py-pinocchio> unknown location:0: fatal error: in "Test/test_geometry_object": boost::archive::archive_exception: unregistered class - derived class not registered or exported
py-pinocchio> /nix/var/nix/builds/nix-20132-387204756/source/unittest/serialization.hpp:157: last checkpoint
py-pinocchio> unknown location:0: fatal error: in "Test/test_geometry_model_and_data_serialization": boost::archive::archive_exception: unregistered class - derived class not registered or exported
py-pinocchio> /nix/var/nix/builds/nix-20132-387204756/source/unittest/serialization.hpp:157: last checkpoint
py-pinocchio> 
py-pinocchio> *** 2 failures are detected in the test module "Test"

in macos full, and it makes no sense, as this pass in macos split:

pinocchio> 153/153 Test #122: pinocchio-test-cpp-serialization-multibody ..............   Passed    4.89 sec

Originally posted by @nim65s in #2882 (comment)