Fixed the test for subscribing subreddit.
Fixed the test for subscribing subreddit.

galv/reddift,sonsongithub/reddift,sonsongithub/reddift,wess/reddift,galv/reddift,wess/reddift,sonsongithub/reddift,wess/reddift,galv/reddift,sonsongithub/reddift