@staticmethod
    def quit_driver():
        if hasattr(WebdriverTestCase, 'driver'):
            WebdriverTestCase.driver.quit()
            del WebdriverTestCase.driver
When you set :py:attr:`.instances_of_driver` to
dataset/ETHPy150Open horejsek/python-webdriverwrapper/webdriverwrapper/unittest/testcase.py/WebdriverTestCase.quit_driver