these 2 derivations will be built:
  /nix/store/28p3w8d3lmgwndy0dd44rvsvcb2cd6ni-nixos-test-driver-pgjwt.drv
  /nix/store/yd8qfqwrgdhidr8nm4qkzfzbwl021szg-vm-test-run-pgjwt.drv