docstr: Test `_get_instructions` when `_CANCEL_DELETION_STR` is passed.
docstr_tok: ["Test","`","_get_instructions","`","when","`","_CANCEL_DELETION_STR","`","is","passed","."]
code: def test_get_expectations_str_on_no_deletion_item(self) -> None:
      """Test `_get_instructions` when `_CANCEL_DELETION_STR` is passed."""
      self.assertEqual(
          _get_expectations_str(
              hf_cache_info=Mock(),
              selected_hashes=[
                  "hash_1",
                  _CANCEL_DELETION_STR,
                  "hash_2",
              ],
          ),
          "Nothing will be deleted.",
      )
  
imports: import os
  import unittest
  from pathlib import Path
  from tempfile import mkstemp
  from unittest.mock import Mock, patch
  from InquirerPy.base.control import Choice
  from InquirerPy.separator import Separator
  from huggingface_hub.commands.delete_cache import _CANCEL_DELETION_STR, DeleteCacheCommand, _ask_for_confirmation_no_tui, _get_expectations_str, _get_tui_choices_from_scan, _manual_review_no_tui, _read_manual_review_tmp_file
  from huggingface_hub.utils import SoftTemporaryDirectory, capture_output
  from .testing_utils import handle_injection
label_desc: Use image node_id 3 for calling the TestDeleteCacheHelpers obj's underlying member method code with example usage: obj.test_get_expectations_str_on_no_deletion_item() without return types