(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <'read-tree can handle submodules'>)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(.)} {(DQ ($ VSub_Name '$TEST_DIRECTORY')) (/lib-submodule-update.sh)})
    (C {(test_submodule_switch)} {(DQ ('git read-tree -u -m'))})
    (C {(test_submodule_forced_switch)} {(DQ ('git read-tree -u --reset'))})
    (C {(test_done)})
  ]
)