code: def test_function_with_call_in_argument(self):
      def f(f, g):
          return f(g()) + 300
  
      tr, mock = self._transform_with_mock(f)
  
      self.assertEqual(tr(lambda x: x + 20, lambda: 1), 321)
      self.assertListEqual(
          mock.calls,
          [
              ((), None),
              ((1,), None),
          ],
      )
  
imports: import imp
  from nvidia.dali._autograph.converters import call_trees
  from nvidia.dali._autograph.converters import functions
  from nvidia.dali._autograph.core import converter_testing
label_desc: Use image node_id 4 for calling the CallTreesTest obj's underlying member method code with example usage: obj.test_function_with_call_in_argument() and returns: unknown