code: def test_run_smaller_sections(abcde):
      r"""
              aa
             / |
        b   d  bb dd
       / \ /|  | /
      a   c e  cc
  
      """
      a, b, c, d, e = abcde
      aa, bb, cc, dd = (x * 2 for x in [a, b, c, d])
  
      dsk = {
          a: (f,),
          c: (f,),
          e: (f,),
          cc: (f,),
          b: (f, a, c),
          d: (f, c, e),
          bb: (f, cc),
          aa: (f, d, bb),
          dd: (f, cc),
      }
      o = order(dsk)
      assert_topological_sort(dsk, o)
      assert max(diagnostics(dsk)[1]) <= 4  # optimum is 3
      # This is a mildly ambiguous example
      # https://github.com/dask/dask/pull/10535/files#r1337528255
      assert (o[aa] < o[a] and o[dd] < o[a]) or (
          o[b] < o[e] and o[b] < o[cc]
      )
  
imports: from __future__ import annotations
  import inspect
  import pytest
  import dask
  from dask import delayed
  from dask.base import collections_to_dsk, key_split, visualize_dsk
  from dask.core import get_deps
  from dask.order import _connecting_to_roots, diagnostics, ndependencies, order
  from dask.utils_test import add, inc
label_desc: Use image node_id 17 for calling a global function with example usage: test_run_smaller_sections(abcde) without return types