(command.CommandList
  children: [
    (command.ShAssignment
      left: <Id.Lit_VarLike 'test_description='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'test_description='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'test_description='> name:test_description)
          op: assign_op.Equal
          rhs: {(SQ <'Peter MacMillan'>)}
        )
      ]
      redirects: []
    )
    (command.Simple
      blame_tok: <.>
      more_env: []
      words: [{<.>} {<'./test-lib.sh'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {<setup>}
        {
          (SQ <'\n'> <'\techo Hello >file &&\n'> <'\tgit add file &&\n'> <'\ttest_tick &&\n'> 
            <'\tgit commit -m V1 &&\n'> <'\techo Hello world >file &&\n'> <'\tgit add file &&\n'> <'\tgit checkout -b other\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [
        {<test_expect_success>}
        {(SQ <'check all changes are staged'>)}
        {(SQ <'\n'> <'\tgit diff --exit-code\n'>)}
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [{<test_expect_success>} {(SQ <'second commit'>)} {(SQ <'\n'> <'\tgit commit -m V2\n'>)}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_expect_success>
      more_env: []
      words: [{<test_expect_success>} {(SQ <check>)} {(SQ <'\n'> <'\tgit diff --cached --exit-code\n'>)}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <test_done>
      more_env: []
      words: [{<test_done>}]
      redirects: []
      do_fork: T
    )
  ]
)