code: def test_RemoveSubtree(self):
      ins_rms = rms_ins.transform(sample)[0]
      self.assertEqual(
          [
              "Influential",
              "members",
              "of",
              "the",
              "House",
              "Ways",
              "and",
              "Means",
              "Committee",
              "introduced",
              "legislation",
              "that",
              "would",
              "restrict",
              "how",
              "the",
              "new",
              "savings-and-loan",
              "bailout",
              "agency",
              "can",
              "raise",
              "capital",
              ".",
          ],
          ins_rms.get_value("x"),
      )
  
      change = rms_ins.transform(sample, n=5)
      self.assertTrue(5 >= len(change))
  
imports: import unittest
  from textflint.input.component.sample.dp_sample import DPSample
  from textflint.generation.transformation.DP.delete_sub_tree import DeleteSubTree
label_desc: Use image node_id 1 for calling the TestSpecialRemoveSubtree obj's underlying member method code with example usage: obj.test_RemoveSubtree() without return types