these 4 derivations will be built:
  /nix/store/wq3l2r8ghzb83dd6v2c1r0hyx3rs4wbz-test-script.drv
  /nix/store/v9kxkna8z6z2wb1lxja20j7kaj371drw-driverConfiguration.json.drv
  /nix/store/4hv3vvrl9m0g0ycw3w0r0w9abplcz669-nixos-test-driver-clan-test-iso.drv
  /nix/store/azqmhpv173wrj8ys8y28138lpzqw7q5w--test-run-clan-test-iso.drv