these 2 derivations will be built:
  /nix/store/issbdhvxxhspfgq2f2576dxp854y03ji-nixos-test-driver-pgaudit.drv
  /nix/store/fdc0gb5irzxw6q40a0pfpb10dqkxwm1g-vm-test-run-pgaudit.drv