code: def test_get_insert_info(self):
      for tup_list in [[], "", {}]:
          self.assertEqual(
              len(swap_ins._get_insert_info(tup_list)[0]), 0
          )
      tup_list = sa_sample.concat_token(5)
      self.assertEqual(
          len(swap_ins._get_insert_info(tup_list)[0]),
          len(swap_ins._get_insert_info(tup_list)[1]),
      )
  
imports: import unittest
  from textflint.input.component.sample.sa_sample import SASample
  from textflint.generation.transformation.SA.add_sum import AddSum
label_desc: Use image node_id 2 for calling the TestAddSum obj's underlying member method code with example usage: obj.test_get_insert_info() without return types