code: def test_source_equals_target():
      G = nx.complete_graph(5)
      pytest.raises(
          nx.NetworkXError, approx.local_node_connectivity, G, 0, 0
      )
  
imports: import pytest
  import networkx
  from networkx.algorithms import approximation
label_desc: Use image node_id 12 for calling a global function with example usage: test_source_equals_target() without return types