def METHOD_NAME(self):
    self.assertFalse(self.plugin.verify())
    self.assertEqual(self.plugin.login(), LoginResult.CredentialsNotSpecified)
    credentials = {'username': '', 'password': ''}
    self.assertEqual(self.plugin.update_credentials(credentials), LoginResult.CredentialsNotSpecified)
    self.assertFalse(self.plugin.verify())
    credentials = {'username': self.helper.fake_login, 'password': self.helper.fake_password}
    self.assertEqual(self.plugin.update_credentials(credentials), LoginResult.IncorrentLoginPassword)
    self.assertFalse(self.plugin.verify())