code: def test_neighbors(self):
      assert list(self.G.neighbors(1)) == list(nx.neighbors(self.G, 1))
      assert list(self.DG.neighbors(1)) == list(
          nx.neighbors(self.DG, 1)
      )
  
imports: import random
  import pytest
  import networkx
  from networkx.utils import edges_equal, nodes_equal
label_desc: Use image node_id 5 for calling the TestFunction obj's underlying member method code with example usage: obj.test_neighbors() without return types