these 4 derivations will be built:
  /nix/store/8ilsjhcjrw6vfmknw11yiaswgwgzb4h7-test-script.drv
  /nix/store/mhnf6nv9nhkqd54n3788lqr1pj58mcz8-driverConfiguration.json.drv
  /nix/store/cf2phvwj51gkirx18fgni8vjm3msg4hd-nixos-test-driver-clan-test-iso.drv
  /nix/store/gw61ysr9zsmwxspksh11l6vw6zln1ly8--test-run-clan-test-iso.drv