code: def testTwoOps(self):
      with self.cached_session() as sess:
          # CountUpTo will raise OUT_OF_RANGE when it reaches the count.
          zero64 = constant_op.constant(0, dtype=dtypes.int64)
          var0 = variable_v1.VariableV1(zero64)
          count_up_to_3 = var0.count_up_to(3)
          var1 = variable_v1.VariableV1(zero64)
          count_up_to_30 = var1.count_up_to(30)
          queue = data_flow_ops.FIFOQueue(10, dtypes.float32)
          qr = queue_runner_impl.QueueRunner(
              queue, [count_up_to_3, count_up_to_30]
          )
          threads = qr.create_threads(sess)
          self.assertEqual(
              sorted(t.name for t in threads),
              [
                  "QueueRunnerThread-fifo_queue-CountUpTo:0",
                  "QueueRunnerThread-fifo_queue-CountUpTo_1:0",
              ],
          )
          self.evaluate(variables.global_variables_initializer())
          for t in threads:
              t.start()
          for t in threads:
              t.join()
          self.assertEqual(0, len(qr.exceptions_raised))
          self.assertEqual(3, self.evaluate(var0))
          self.assertEqual(30, self.evaluate(var1))
  
imports: import collections
  import time
  from tensorflow.python.client import session
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import control_flow_ops
  from tensorflow.python.ops import data_flow_ops
  from tensorflow.python.ops import variable_v1
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import test
  from tensorflow.python.training import coordinator
  from tensorflow.python.training import monitored_session
  from tensorflow.python.training import queue_runner_impl
label_desc: Use image node_id 2 for calling the QueueRunnerTest obj's underlying member method code with example usage: obj.testTwoOps() without return types