code: def test_dialogue_assistant_map_bio_format_slots_to_unified_slots():
      slots = ["B-time", "I-time", "B-alarm", "I-alarm", "O"]
      gt_bio_slot_ids_to_unified_slot_ids = {
          "0": "0",
          "1": "0",
          "2": "1",
          "3": "1",
          "4": "2",
      }
      gt_unified_slots = ["time", "alarm", "O"]
      (
          bio_slot_ids_to_unified_slot_ids,
          unified_slots,
      ) = DialogueAssistantDataProcessor.map_bio_format_slots_to_unified_slots(
          slots
      )
      assert (
          gt_bio_slot_ids_to_unified_slot_ids
          == bio_slot_ids_to_unified_slot_ids
      )
      assert gt_unified_slots == unified_slots
  
      # case in which BIOS scheme was not used in annotation
      slots = ["time", "alarm", "O"]
      gt_bio_slot_ids_to_unified_slot_ids = {
          "0": "0",
          "1": "1",
          "2": "2",
      }
      gt_unified_slots = ["time", "alarm", "O"]
      (
          bio_slot_ids_to_unified_slot_ids,
          unified_slots,
      ) = DialogueAssistantDataProcessor.map_bio_format_slots_to_unified_slots(
          slots
      )
  
      assert (
          gt_bio_slot_ids_to_unified_slot_ids
          == bio_slot_ids_to_unified_slot_ids
      )
      assert gt_unified_slots == unified_slots
  
imports: import pytest
  import torch
  from nemo.collections.nlp.data.dialogue.data_processor.assistant_data_processor import DialogueAssistantDataProcessor
  from nemo.collections.nlp.data.dialogue.data_processor.data_processor import DialogueDataProcessor
  from nemo.collections.nlp.data.dialogue.data_processor.sgd_data_processor import DialogueSGDDataProcessor
  from nemo.collections.nlp.data.dialogue.dataset.dialogue_gpt_classification_dataset import DialogueGPTClassificationDataset
  from nemo.collections.nlp.data.dialogue.dataset.dialogue_s2s_generation_dataset import DialogueS2SGenerationDataset
  from nemo.collections.nlp.data.dialogue.dataset.dialogue_sgd_bert_dataset import DialogueSGDBERTDataset
  from nemo.collections.nlp.metrics.dialogue_metrics import DialogueClassificationMetrics, DialogueGenerationMetrics
  from nemo.collections.nlp.models.dialogue.dialogue_nearest_neighbour_model import DialogueNearestNeighbourModel
label_desc: Use image node_id 6 for calling a global function with example usage: test_dialogue_assistant_map_bio_format_slots_to_unified_slots() without return types