Merge pull request #908 from Retrospring/fix/no-nil-on-service-missing

Handle missing services in share worker

app/workers/share_worker.rb

@@ -9,7 +9,7 @@ class ShareWorker
   # @param answer_id [Integer] the user id
   # @param service [String] the service to post to
   def perform(user_id, answer_id, service) # rubocop:disable Metrics/AbcSize
-    @user_service = User.find(user_id).services.find_by(type: "Services::#{service.camelize}")
+    @user_service = User.find(user_id).services.find_by!(type: "Services::#{service.camelize}")
 
     @user_service.post(Answer.find(answer_id))
   rescue ActiveRecord::RecordNotFound