(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)})
  ]
)