code: def test_copy_multisubgraph(self):
      G = self.MG.copy()
      SG = G.subgraph([4, 5, 6])
      CSG = SG.copy(as_view=True)
      DCSG = SG.copy(as_view=False)
      assert hasattr(CSG, "_graph")  # is a view
      assert not hasattr(DCSG, "_graph")
  
imports: import pytest
  import networkx
  from networkx.utils import edges_equal, nodes_equal
label_desc: Use image node_id 14 for calling the TestChainsOfViews obj's underlying member method code with example usage: obj.test_copy_multisubgraph() without return types