code: def test_log10_(self):
      self.run_test(
          "def log10_(a):\n from math import log10\n return log10(a)",
          1,
          log10_=[int],
      )
  
imports: from pythran.tests import TestEnv
label_desc: Use image node_id 4 for calling the TestMath obj's underlying member method code with example usage: obj.test_log10_() without return types