code: def test_adjacency(self):
      G = self.K3
      assert dict(G.adjacency()) == {
          0: {1: {0: {}}, 2: {0: {}}},
          1: {0: {0: {}}, 2: {0: {}}},
          2: {0: {0: {}}, 1: {0: {}}},
      }
  
imports: from collections import UserDict
  import pytest
  import networkx
  from networkx.utils import edges_equal
  from .test_graph import BaseAttrGraphTester
  from .test_graph import TestGraph
label_desc: Use image node_id 3 for calling the BaseMultiGraphTester obj's underlying member method code with example usage: obj.test_adjacency() without return types