(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <'operations that cull histories in unusual ways'>)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(test_expect_success)} {(setup)} 
      {
        (SQ <'\n'> <'\ttest_commit A &&\n'> <'\ttest_commit B &&\n'> <'\ttest_commit C &&\n'> 
          <'\tgit checkout -b side HEAD^ &&\n'> <'\ttest_commit D &&\n'> <'\ttest_commit E &&\n'> <'\tgit merge master\n'>
        )
      }
    )
    (C {(test_expect_success)} {(SQ <'rev-list --first-parent --boundary'>)} 
      {(SQ <'\n'> <'\tgit rev-list --first-parent --boundary HEAD^..\n'>)}
    )
    (C {(test_done)})
  ]
)