docstr: Tests that removing a node in the original graph
  removes the nodes of the subgraph.
code: def test_remove_node(self):
      """Tests that removing a node in the original graph
      removes the nodes of the subgraph.
  
      """
      self.G.remove_node(0)
      assert [1, 3, 4] == sorted(self.H.nodes)
      self.G.add_node(0, name="node0")
      self.G.add_edge(0, 1, name="edge01")
  
imports: import pytest
  import networkx
  from networkx.utils import edges_equal
label_desc: Use image node_id 5 for calling the TestEdgeSubGraph obj's underlying member method code with example usage: obj.test_remove_node() without return types