code: def test_insert_(self):
      self.run_test(
          "def insert_(a,b):\n c=[1,3,5,4,2]\n c.insert(a,b)\n return c",
          2,
          5,
          insert_=[int, int],
      )
  
imports: from pythran.tests import TestEnv
  from pythran.typing import List, NDArray
  import numpy
label_desc: Use image node_id 16 for calling the TestList obj's underlying member method code with example usage: obj.test_insert_() without return types