code: def test_normalize_str(x):
      assert normalize_field_type(f"str:{x}") == "str"
  
imports: import os
  import tempfile
  import pytest
  import fiona
  from fiona.drvsupport import driver_mode_mingdal
  from fiona.env import GDALVersion
  from fiona.errors import SchemaError, UnsupportedGeometryTypeError, DriverSupportError
  from fiona.model import Feature
  from fiona.schema import FIELD_TYPES, normalize_field_type
  from .conftest import get_temp_filename
  from .conftest import requires_only_gdal1, requires_gdal2
label_desc: Use image node_id 7 for calling a global function with example usage: test_normalize_str(x) without return types