code: def test_settings_namespace(monkeypatch):
      monkeypatch.setenv("ARGILLA_NAMESPACE", "namespace")
      settings = Settings()
  
      assert settings.namespace == "namespace"
      assert settings.dataset_index_name == "namespace.ar.datasets"
      assert (
          settings.dataset_records_index_name
          == "namespace.ar.dataset.{}"
      )
  
file_path: argilla/tests/unit/server/commons/test_settings.py
imports: import pytest
  from argilla.server.settings import Settings
  from tests.pydantic_v1 import ValidationError
label_desc: Use image node_id 2 for calling a global function with example usage: test_settings_namespace(monkeypatch) without return types