these 4 derivations will be built:
  /nix/store/fi045jwhmsl282qw5cf6m1ag0ihf8vr2-test-script.drv
  /nix/store/3zi4rdpi6ykdbjk9sw6smd7rzv4chzvh-driverConfiguration.json.drv
  /nix/store/wf84gxczll8khq77ysnvmh1sbdqk6cly-nixos-test-driver-iets-flaketest.drv
  /nix/store/d6jx01b72dw3vdvsvwz1xz8g6qyp84d9-container-test-run-iets-flaketest.drv