these 2 derivations will be built:
  /nix/store/j4md6zvwaq7rscxl8aaps0swwrfiy11g-nixos-test-driver-pgsodium.drv
  /nix/store/qcradia49b0idzzd80xgdin74wkm3nw4-vm-test-run-pgsodium.drv