these 2 derivations will be built:
  /nix/store/zw1ykdszqr2dnm3db5rii7d3cjzndqn7-nixos-test-driver-pg_hashids.drv
  /nix/store/nkr4llsm0bh1mllagj2xk9vnan0c49p5-vm-test-run-pg_hashids.drv