code: def test_articulation_points():
      Ggen = _generate_no_biconnected()
      for i in range(1):  # change 1 to 3 or more for more realizations.
          G = next(Ggen)
          articulation_points = [{a} for a in nx.articulation_points(G)]
          for cut in nx.all_node_cuts(G):
              assert cut in articulation_points
  
imports: import itertools
  import pytest
  import networkx
  from networkx.algorithms import flow
  from networkx.algorithms.connectivity.kcutsets import _is_separating_set
label_desc: Use image node_id 11 for calling a global function with example usage: test_articulation_points() without return types