code: def test_icosahedral():
      G = nx.icosahedral_graph()
      for flow_func in flow_funcs:
          errmsg = f"Assertion failed in function: {flow_func.__name__}"
          assert 5 == nx.node_connectivity(
              G, flow_func=flow_func
          ), errmsg
          assert 5 == nx.edge_connectivity(
              G, flow_func=flow_func
          ), errmsg
  
imports: import itertools
  import pytest
  import networkx
  from networkx.algorithms import flow
  from networkx.algorithms.connectivity import local_edge_connectivity, local_node_connectivity
label_desc: Use image node_id 14 for calling a global function with example usage: test_icosahedral() without return types