class_docstr: Tests garbage collecting unused local worker tasks.
  
  The user typically creates an iterator in each epoch. This should delete the
  previous iterator and releases the resources of it.
class_docstr_tok: ["Tests","garbage","collecting","unused","local","worker","tasks",".","The","user","typically","creates","an","iterator","in","each","epoch",".","This","should","delete","the","previous","iterator","and","releases","the","resources","of","it","."]
code: def testMultipleEpochs(self, num_remote_workers):
      num_local_workers = 1
      cluster = multi_process_cluster.MultiProcessCluster(
          num_local_workers=num_local_workers,
          num_remote_workers=num_remote_workers,
      )
  
      num_epochs, num_steps = 5, 5
      dataset = self._make_distributed_infinite_range_dataset(cluster)
      for _ in range(num_epochs):
          # For each iteration, the previous iterator is garbage collected.
          get_next = self.getNext(dataset)
          for i in range(num_steps):
              self.assertEqual(self.evaluate(get_next()), i)
  
imports: import multiprocessing
  from absl.testing import parameterized
  from tensorflow.python.data.experimental.kernel_tests.service import multi_process_cluster
  from tensorflow.python.data.experimental.kernel_tests.service import test_base
  from tensorflow.python.data.experimental.ops import data_service_ops
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import errors
label_desc: Use image node_id 1 for calling the LocalTaskGarbageCollectTest obj's underlying member method code with example usage: obj.testMultipleEpochs(num_remote_workers) without return types