code: def test(self, verify_fn):
      components = np.array(
          [0, 1, 2, 3, 4, 5, 6, 7, 8, 9], dtype=np.int64
      )
      verify_fn(
          self, lambda: self._build_dataset(components), num_outputs=5
      )
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.data.experimental.ops import grouping
  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.framework import combinations
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling the GroupByReducerCheckpointTest obj's underlying member method code with example usage: obj.test(verify_fn) without return types