code: def setUp(self):
      self._enable_control_flow_v2_old = (
          control_flow_util.ENABLE_CONTROL_FLOW_V2
      )
      control_flow_util.ENABLE_CONTROL_FLOW_V2 = True
  
file_path: tensorflow-upstream/tensorflow/python/kernel_tests/control_flow/control_flow_util_v2_test.py
imports: from tensorflow.python.eager import def_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import cond
  from tensorflow.python.ops import control_flow_util
  from tensorflow.python.ops import control_flow_util_v2
  from tensorflow.python.ops import while_loop
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the ControlFlowUtilV2Test obj's underlying member method code with example usage: obj.setUp() without return types