these 4 derivations will be built:
  /nix/store/2hxg8xqfncjmskb827zh5is0ndmhqwwx-test-script.drv
  /nix/store/5q7aj68ag03vajygxlzl65k3wmnvzxdi-driverConfiguration.json.drv
  /nix/store/p7nayrjvrqj7f3rcn6vfs4b9x3vfx3q6-nixos-test-driver-pg_net.drv
  /nix/store/b3xlzwjpnmi885ppq6c2vf07fn4cngq1-vm-test-run-pg_net.drv