I think all packages which have a test-suite should be complemented with a checkPhase attribute and the we should indeed make sure the CI does a doCheck = true for every single derivation, so that we do not have to make local overrides...
cf https://nixos.org/manual/nixpkgs/stable/#ssec-check-phase
Originally posted by @CohenCyril in https://github.com/math-comp/math-comp/issues/1219#issuecomment-2135329272