code: def test_get_column_spec(
      native_type: str,
      sqla_type: type[types.TypeEngine],
      attrs: Optional[dict[str, Any]],
      generic_type: GenericDataType,
      is_dttm: bool,
  ) -> None:
      from superset.db_engine_specs.postgres import (
          PostgresEngineSpec as spec,
      )
  
      assert_column_spec(
          spec, native_type, sqla_type, attrs, generic_type, is_dttm
      )
  
file_path: superset/tests/unit_tests/db_engine_specs/test_postgres.py
imports: from datetime import datetime
  from typing import Any, Optional
  import pytest
  from pytest_mock import MockFixture
  from sqlalchemy import types
  from sqlalchemy.dialects.postgresql import DOUBLE_PRECISION, ENUM, JSON
  from sqlalchemy.engine.url import make_url
  from superset.exceptions import SupersetSecurityException
  from superset.utils.core import GenericDataType
  from tests.unit_tests.db_engine_specs.utils import assert_column_spec, assert_convert_dttm
  from tests.unit_tests.fixtures.common import dttm
label_desc: Use image node_id 2 for calling a global function with example usage: test_get_column_spec(native_type, sqla_type, attrs, generic_type, is_dttm) without return types