code: def _LoadTestModelBuffer():
      return gfile.GFile(_TEST_MODEL_BUFFER_PATH, "rb").read()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from absl import flags
  from absl.testing import parameterized
  import numpy
  import tensorflow
  import tensorflow_text
  from tensorflow.lite.python import interpreter
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops.ragged import ragged_factory_ops
  from tensorflow.python.platform import gfile
  from tensorflow.python.platform import test
  from tensorflow_text.python.ops.fast_wordpiece_tokenizer import FastWordpieceTokenizer
label_desc: Use image node_id 3 for calling a global function with example usage: _LoadTestModelBuffer() and returns: gfile