def testMultiValueOption__parse_option(self):
        self.plugin.parse_option('block', 'sites', 'www.reddit.com',
                                 'google.com', 'twitter.com')
        self.assertEqual(self.plugin.domains,
            set(['reddit.com', 'm.reddit.com', 'www.reddit.com',
                 'mobile.reddit.com', 'google.com', 'm.google.com',
                 'www.google.com', 'mobile.google.com', 'twitter.com',
                 'm.twitter.com', 'www.twitter.com', 'mobile.twitter.com'
                ]))
SiteBlock.parse_option: options support multiple values.
dataset/ETHPy150Open xtrementl/focus/tests/unit/plugin/modules/test_sites.py/TestSiteBlock.testMultiValueOption__parse_option