code: def test_driver_closed_driver(self):
      self.c.driver
      self.c.close()
      assert self.c.driver == "GeoJSON"
  
imports: import pytest
  import fiona
  from fiona.model import Geometry
label_desc: Use image node_id 18 for calling the TestReading obj's underlying member method code with example usage: obj.test_driver_closed_driver() without return types