code: def test_acosh_(self):
      self.run_test(
          "def acosh_(a):\n from math import acosh\n return acosh(a)",
          1,
          acosh_=[int],
      )
  
imports: from pythran.tests import TestEnv
label_desc: Use image node_id 10 for calling the TestMath obj's underlying member method code with example usage: obj.test_acosh_() without return types