'Calling POST /json/users/me/subscriptions should successfully add
streams, and should determine which are new subscriptions vs
which were already subscribed. We add 2 new streams to the
list of subscriptions and confirm the right number of events
are generated.'

def test_successful_subscriptions_add(self):

    self.assertNotEqual(len(self.streams), 0)
    add_streams = [u'Verona2', u'Denmark5']
    self.assertNotEqual(len(add_streams), 0)
    events = []
    with tornado_redirected_to_list(events):
        self.helper_check_subs_before_and_after_add((self.streams + add_streams), {}, add_streams, self.streams, self.test_email, (self.streams + add_streams), self.test_realm)
    self.assert_length(events, 8)
