code: def testNested(self, verify_fn, num_parallel_calls):
      def build_ds():
          inner_ds = dataset_ops.Dataset.from_tensor_slices(range(10))
          ds = dataset_ops.Dataset.from_tensors(inner_ds).repeat(10)
          return ds.interleave(
              lambda x: x,
              cycle_length=5,
              num_parallel_calls=num_parallel_calls,
          )
  
      verify_fn(self, build_ds, num_outputs=100)
  
imports: import multiprocessing
  import os
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.data.experimental.ops import testing
  from tensorflow.python.data.kernel_tests import checkpoint_test_base
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.ops import options
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import sparse_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling the InterleaveCheckpointTest obj's underlying member method code with example usage: obj.testNested(verify_fn, num_parallel_calls) and returns: ds