these 4 derivations will be built:
  /nix/store/bmy1jfgrpyakpib8gf3wnslawmkvcikb-test-script.drv
  /nix/store/ffhscw6cbhlagkfv9wm2s0wn7xiksjli-driverConfiguration.json.drv
  /nix/store/dgm2q8ysmpfbmblxkwp0w758ccjzr15b-nixos-test-driver-pg_partman.drv
  /nix/store/papcirnv3gdzsr5awk0d7bay3f6c2wi6-vm-test-run-pg_partman.drv