code: def test_torrents_and_ferraro_graph():
      G = torrents_and_ferraro_graph()
      _check_connectivity(G)
  
imports: import pytest
  import networkx
  from networkx.algorithms.approximation import k_components
  from networkx.algorithms.approximation.kcomponents import _AntiGraph, _same
label_desc: Use image node_id 5 for calling a global function with example usage: test_torrents_and_ferraro_graph() without return types