class_docstr: Unit tests for the treewidth_min_fill_in function.
docstr: Test if the computed treewidth of the known self.small_tree is 2
docstr_tok: ["Test","if","the","computed","treewidth","of","the","known","self.small_tree","is","2"]
code: def test_small_tree_treewidth(self):
      """Test if the computed treewidth of the known self.small_tree is 2"""
      G = self.small_tree
      # the order of removal should be [1,2,4]3[5,6,7]
      # (with [] denoting any order of the containing nodes)
      # resulting in treewidth 2 for the heuristic
      treewidth, _ = treewidth_min_fill_in(G)
      assert treewidth == 2
  
imports: import itertools
  import networkx
  from networkx.algorithms.approximation import treewidth_min_degree, treewidth_min_fill_in
  from networkx.algorithms.approximation.treewidth import MinDegreeHeuristic, min_fill_in_heuristic
label_desc: Use image node_id 3 for calling the TestTreewidthMinFillIn obj's underlying member method code with example usage: obj.test_small_tree_treewidth() without return types