48378365: some TumblrSubscription tests
48378365: some TumblrSubscription tests
(what?) Merge branch 'personal/gordon-morehouse/tumblr-subscribe-tests' of github.com:gordon-morehouse/share2grandma into personal/gordon-morehouse/tumblr-subscribe-tests
48378365: implement code review suggestions on https://github.com/gordon-morehouse/share2grandma/commit/93a794b52cc46f1b94848c889012a23b4b51cf65