code: def test_str_count(self):
      self.run_test(
          "def str_count(s, t, u, v): return s.count(t), s.count(u), s.count(v)",
          "pythran is good for health",
          "py",
          "niet",
          "t",
          str_count=[str, str, str, str],
      )
      self.run_test(
          "def str_count_a(s, t, u, v): return s[0].count(t), s[1].count(u), s.count(v[0])",
          "pythran is good for health",
          "py",
          "niet",
          "t",
          str_count_a=[str, str, str, str],
      )
  
imports: from pythran.tests import TestEnv
  from pythran.typing import List
  import unittest
label_desc: Use image node_id 41 for calling the TestStr obj's underlying member method code with example usage: obj.test_str_count() without return types