code: def test_tokenization_base_easy_symbols(self):
      symbols = "Hello World!"
      original_tokenizer_encodings = [65, 18536, 2260, 101, 66]
  
      self.assertListEqual(
          original_tokenizer_encodings,
          self.big_tokenizer.encode(symbols),
      )
  
file_path: H2O/h2o_flexgen/benchmark/third_party/transformers/tests/models/big_bird/test_tokenization_big_bird.py
imports: import unittest
  from transformers import BigBirdTokenizer, BigBirdTokenizerFast
  from transformers.testing_utils import get_tests_dir, require_sentencepiece, require_tokenizers, require_torch, slow
  from transformers.utils import cached_property
  from ...test_tokenization_common import TokenizerTesterMixin
label_desc: Use image node_id 8 for calling the BigBirdTokenizationTest obj's underlying member method code with example usage: obj.test_tokenization_base_easy_symbols() without return types