code: def setUp(self):
      super().setUp()
  
file_path: delta/delta/layers/utils_test.py
imports: from absl import logging
  import delta.compat
  from delta.layers import utils
  from delta.layers.utils import cut_or_padding
  from delta.layers.utils import compute_sen_lens
  from delta.layers.utils import compute_doc_lens
  from delta.layers.utils import split_one_doc_to_true_len_sens
label_desc: Use image node_id 1 for calling the LayerUtilsTest obj's underlying member method code with example usage: obj.setUp() without return types