code: def test_control_flow3(self):
      def fn(a, b):
          c1 = a - b
          c2 = b - a
          m = globalmod
          if c1.sum() > c2.sum():
              return m(c1)
          else:
              return m(c2)
  
      self._common(fn, 3, 7)
  
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 4 for calling the SubGraphTests obj's underlying member method code with example usage: obj.test_control_flow3() and returns: m, m