code: def test_complete(self):
      for G in [self.K10, self.K5, self.K20]:
          K = approx.all_pairs_node_connectivity(G)
          for source in K:
              for target, k in K[source].items():
                  assert k == len(G) - 1
  
imports: import pytest
  import networkx
  from networkx.algorithms import approximation
label_desc: Use image node_id 3 for calling the TestAllPairsNodeConnectivityApprox obj's underlying member method code with example usage: obj.test_complete() without return types