code: def test_split_file_instructions(self):
      fi = self._builder.info.splits["train"].file_instructions
      self.assertEqual(
          fi,
          [
              shard_utils.FileInstruction(
                  filename=f"{self._builder.data_dir}/dummy_dataset_shared_generator-train.tfrecord-00000-of-00001",
                  skip=0,
                  take=-1,
                  examples_in_shard=20,
              )
          ],
      )
  
imports: from tensorflow_datasets import testing
  from tensorflow_datasets.core import naming
  from tensorflow_datasets.core import proto
  from tensorflow_datasets.core import splits
  from tensorflow_datasets.core.utils import shard_utils
  import tensorflow_datasets.public_api
label_desc: Use image node_id 7 for calling the SplitsTest obj's underlying member method code with example usage: obj.test_split_file_instructions() without return types