code: def test_articulation_points():
      Ggen = _generate_no_biconnected()
      for flow_func in flow_funcs:
          errmsg = f"Assertion failed in function: {flow_func.__name__}"
          for i in range(
              1
          ):  # change 1 to 3 or more for more realizations.
              G = next(Ggen)
              cut = nx.minimum_node_cut(G, flow_func=flow_func)
              assert len(cut) == 1, errmsg
              assert cut.pop() in set(nx.articulation_points(G)), errmsg
  
imports: import pytest
  import networkx
  from networkx.algorithms import flow
  from networkx.algorithms.connectivity import minimum_st_edge_cut, minimum_st_node_cut
  from networkx.utils import arbitrary_element
label_desc: Use image node_id 2 for calling a global function with example usage: test_articulation_points() without return types