code: def test_build_sort_without_sort_config():
      builder = EsQueryBuilder()
      index_schema = {
          "mappings": {
              "properties": {
                  "id": {"type": "keyword"},
              }
          }
      }
      assert (
          builder.map_2_es_sort_configuration(
              sort=SortConfig(), schema=index_schema
          )
          is None
      )
  
file_path: argilla/tests/unit/server/daos/backend/test_query_builder.py
imports: import pytest
  from argilla.server.apis.v0.models.commons.model import ScoreRange
  from argilla.server.apis.v0.models.text_classification import TextClassificationQuery
  from argilla.server.daos.backend.search.model import SortableField, SortConfig, SortOrder
  from argilla.server.daos.backend.search.query_builder import EsQueryBuilder
label_desc: Use image node_id 3 for calling a global function with example usage: test_build_sort_without_sort_config() without return types