code: def test_define_default_location(region, expected):
      actual = define_default_location(region)
      assert actual == expected
  
imports: from __future__ import annotations
  import pytest
  from airflow.providers.google.cloud.utils.dataform import DataformLocations, define_default_location
label_desc: Use image node_id 1 for calling a global function with example usage: test_define_default_location(region, expected) without return types