these 3 derivations will be built:
  /nix/store/7v57f05ip69rkg90kz0y5lyh94lbvvqp-test-script.drv
  /nix/store/j2vjr6szxbkic3pgxxm0w8vzjb20rl3l-driver-configuration.json.drv
  /nix/store/4sky8jjvb6rwca0sxi2rg80jlmxbdn4r-test-driver.drv