code: def test_remove_edge(self):
      G = self.K3
      G.remove_edge(0, 1)
      assert G.adj == {
          0: {2: {0: {}}},
          1: {2: {0: {}}},
          2: {0: {0: {}}, 1: {0: {}}},
      }
  
      with pytest.raises(nx.NetworkXError):
          G.remove_edge(-1, 0)
      with pytest.raises(nx.NetworkXError):
          G.remove_edge(0, 2, key=1)
  
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 13 for calling the TestMultiGraph obj's underlying member method code with example usage: obj.test_remove_edge() without return types