Example setup

gistfile1.txt

    def setUp(self):
        if 'remote_saucelabs' in os.environ:
            desired_capabilities = []
            ##--tc=name:Dev-run --tc=browser:firefox
            browser = copy.copy(webdriver.DesiredCapabilities.FIREFOX)
            browser['name'] = config['name']
            desired_capabilities += [browser]

            self.driver = webdriver.Remote(
            desired_capabilities=desired_capabilities,
            command_executor="http://username-string:access-key-string@ondemand.saucelabs.com:80/wd/hub"
            )
            self.driver.implicitly_wait(240)
        else:
            self.driver = webdriver.Chrome()
            self.driver.get(settings.address)
            self.driver.implicitly_wait(240)