(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:test_description)
          op: assign_op.Equal
          rhs: {(SQ <'checkout should leave clean stat info'>)}
          spids: [4]
        )
      ]
    )
    (C {<.>} {<'./test-lib.sh'>})
    (C {<test_expect_success>} {(SQ <setup>)} 
      {
        (SQ <'\n'> <'\n'> <'\techo hello >world &&\n'> <'\tgit update-index --add world &&\n'> 
          <'\tgit commit -m initial &&\n'> <'\tgit branch side &&\n'> <'\techo goodbye >world &&\n'> <'\tgit update-index --add world &&\n'> 
          <'\tgit commit -m second\n'> <'\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'branch switching'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tgit reset --hard &&\n'> <'\ttest "$(git diff-files --raw)" = "" &&\n'> 
          <'\n'> <'\tgit checkout master &&\n'> <'\ttest "$(git diff-files --raw)" = "" &&\n'> <'\n'> 
          <'\tgit checkout side &&\n'> <'\ttest "$(git diff-files --raw)" = "" &&\n'> <'\n'> <'\tgit checkout master &&\n'> 
          <'\ttest "$(git diff-files --raw)" = ""\n'> <'\n'>
        )
      }
    )
    (C {<test_expect_success>} {(SQ <'path checkout'>)} 
      {
        (SQ <'\n'> <'\n'> <'\tgit reset --hard &&\n'> <'\ttest "$(git diff-files --raw)" = "" &&\n'> 
          <'\n'> <'\tgit checkout master world &&\n'> <'\ttest "$(git diff-files --raw)" = "" &&\n'> <'\n'> 
          <'\tgit checkout side world &&\n'> <'\ttest "$(git diff-files --raw)" = "" &&\n'> <'\n'> <'\tgit checkout master world &&\n'> 
          <'\ttest "$(git diff-files --raw)" = ""\n'> <'\n'>
        )
      }
    )
    (C {<test_done>})
  ]
)