code: def test_seed(self):
      G = nx.complete_graph(4)
      b = approximate_cfbc(G, normalized=False, epsilon=0.05, seed=1)
      b_answer = {0: 0.75, 1: 0.75, 2: 0.75, 3: 0.75}
      for n in sorted(G):
          np.testing.assert_allclose(b[n], b_answer[n], atol=0.1)
  
imports: import pytest
  import networkx
  from networkx import approximate_current_flow_betweenness_centrality
  from networkx import edge_current_flow_betweenness_centrality
label_desc: Use image node_id 5 for calling the TestApproximateFlowBetweennessCentrality obj's underlying member method code with example usage: obj.test_seed() without return types