class_docstr: Fault tolerance tests for tf.data service cross-trainer cache.
class_docstr_tok: ["Fault","tolerance","tests","for","tf.data","service","cross-trainer","cache","."]
code: def _get_next(self, get_next, num_elements):
      return [self.evaluate(get_next()) for _ in range(num_elements)]
  
file_path: tensorflow/tensorflow/python/data/experimental/kernel_tests/service/cross_trainer_cache_ft_test.py
imports: from absl.testing import parameterized
  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.platform import test
label_desc: Use image node_id 3 for calling the CrossTrainerCacheFtTest obj's underlying member method code with example usage: obj._get_next(get_next, num_elements) and returns: unknown