we can't add 'nixpkgs.curl.tests' to hydra jobs due to 'tests' (and 'passthru') being stripped
TODO: add a function in lib-release.nix to get derivations and add `.x86_64-linux` to them
then we can just point release files to nixpkgs.tests.packageTestsForChannelBlockers instead of
nixpkgs.tests.packageTestsForChannelBlockers.curl.withCheck