def test_lawd_code_maps_target_dongs():
    from app.lawd_codes import lawd_code
    assert lawd_code("신대방동") == "11590"   # 동작구
    assert lawd_code("봉천동") == "11620"      # 관악구
    assert lawd_code("신길동") == "11560"      # 영등포구
    assert lawd_code("없는동") is None