(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(DQ ('Tests performance of reading the index'))}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./perf-lib.sh)})
    (C {(test_perf_default_repo)})
    (Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(LhsName name:count) op:Equal rhs:{(1000)} spids:[18])]
      spids: [18]
    )
    (C {(test_perf)} {(DQ ('read_cache/discard_cache ') ($ VSub_Name '$count') (' times'))} 
      {(DQ ('\n') ('\ttest-read-cache ') ($ VSub_Name '$count') ('\n'))}
    )
    (C {(test_done)})
  ]
)