def stop_cluster(self, reactor):
        return succeed(None)
Switches focus to an alert on the page.
dataset/ETHPy150Open ClusterHQ/flocker/admin/acceptance.py/ManagedRunner.stop_cluster--crossover with--dataset/ETHPy150Open apiad/sublime-browser-integration/selenium/webdriver/remote/webdriver.py/WebDriver.switch_to_alert