code: def test_str_split2(self):
      self.run_test(
          "def str_split2(s): return s.split('S')",
          "ThiS iS a TeST",
          str_split2=[str],
      )
  
imports: from pythran.tests import TestEnv
  from pythran.typing import List
  import unittest
label_desc: Use image node_id 28 for calling the TestStr obj's underlying member method code with example usage: obj.test_str_split2() without return types