code: def setUp(self):
      super(ByteSplitterTest, self).setUp()
      self.byte_splitter = tf_text.ByteSplitter()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  import tensorflow
  import tensorflow_text
  from tensorflow.lite.python import interpreter
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the ByteSplitterTest obj's underlying member method code with example usage: obj.setUp() without return types