code: def test_fast_tokenizer_get_prompt_ids(self):
      tokenizer = self.get_tokenizer()
      rust_tokenizer = self.get_rust_tokenizer()
  
      prompt = "This is test prompt text."
      tokenizer_prompt_ids = tokenizer.get_prompt_ids(prompt)
      fast_tokenizer_prompt_ids = rust_tokenizer.get_prompt_ids(prompt)
  
      self.assertListEqual(
          tokenizer_prompt_ids.tolist(),
          fast_tokenizer_prompt_ids.tolist(),
      )
  
imports: import unittest
  from transformers.models.whisper import WhisperTokenizer, WhisperTokenizerFast
  from transformers.models.whisper.tokenization_whisper import _combine_tokens_into_words, _find_longest_common_sequence
  from transformers.testing_utils import require_jinja, slow
  from ...test_tokenization_common import TokenizerTesterMixin
label_desc: Use image node_id 14 for calling the WhisperTokenizerTest obj's underlying member method code with example usage: obj.test_fast_tokenizer_get_prompt_ids() without return types