{ "single_fail_dep":
  { "type": ["@", "rules", "shell/test", "script"]
  , "name": ["single_fail_dep"]
  , "test": ["single_fail_dep.sh"]
  , "deps": [["", "tool-under-test"]]
  }
, "TESTS":
  { "type": ["@", "rules", "test", "suite"]
  , "stage": ["build-fails"]
  , "deps": ["single_fail_dep"]
  }
}