{ "basic":
  { "type": ["@", "rules", "shell/test", "script"]
  , "name": ["basic"]
  , "test": ["basic.sh"]
  , "deps": [["", "tool-under-test"]]
  }
, "mr_setup":
  { "type": ["@", "rules", "shell/test", "script"]
  , "name": ["mr_setup"]
  , "test": ["mr_setup.sh"]
  , "deps": [["", "mr-tool-under-test"], ["", "tool-under-test"]]
  }
, "precomputed_indirection":
  { "type": ["@", "rules", "shell/test", "script"]
  , "name": ["precomputed_indirection"]
  , "test": ["precomputed_indirection.sh"]
  , "deps": [["", "mr-tool-under-test"], ["", "tool-under-test"]]
  }
, "absent_tree_structure_foo (repo)":
  { "type": "generic"
  , "out_dirs": ["src"]
  , "cmds":
    [ "NESTED_DIR='src/nested_dir/nested_dir_2'"
    , "mkdir -p ${NESTED_DIR}"
    , "echo foo > ${NESTED_DIR}/file.txt"
    ]
  }
, "absent_tree_structure_bar (repo)":
  { "type": "generic"
  , "out_dirs": ["src"]
  , "cmds":
    [ "NESTED_DIR='src/nested_dir/nested_dir_2'"
    , "mkdir -p ${NESTED_DIR}"
    , "echo bar > src/nested_dir/nested_dir_2/file.txt"
    ]
  }
, "absent_tree_structure":
  { "type": ["end-to-end", "with serve"]
  , "name": ["absent_tree_structure"]
  , "test": ["absent_tree_structure.sh"]
  , "deps": [["", "mr-tool-under-test"], ["", "tool-under-test"]]
  , "repos":
    ["absent_tree_structure_foo (repo)", "absent_tree_structure_bar (repo)"]
  }
, "TESTS":
  { "type": ["@", "rules", "test", "suite"]
  , "stage": ["tree-structure"]
  , "deps":
    ["absent_tree_structure", "basic", "mr_setup", "precomputed_indirection"]
  }
}