code: def test_control_flow2(self):
      def fn(a, b):
          if a.sum() > b.sum():
              return 1
          else:
              return 2
  
      self._common(fn, 1, 3)
  
imports: from unittest.mock import patch
  import torch
  import torch._dynamo.test_case
  import torch._dynamo.testing
  from torch._dynamo.testing import unsupported
  from torch._dynamo.utils import ifdynstaticdefault
label_desc: Use image node_id 3 for calling the SubGraphTests obj's underlying member method code with example usage: obj.test_control_flow2() and returns: int, int