DEV: Assert for 200 response code to avoid changing magic helper in the future.

spec/requests/user_badges_controller_spec.rb

@@ -11,7 +11,7 @@ describe UserBadgesController do
       UserBadge.create!(badge: badge, user: user, post_id: p.id, granted_by_id: -1, granted_at: Time.now)
 
       get "/user_badges.json", params: { badge_id: badge.id }
-      expect(response).to be_successful
+      expect(response.status).to eq(200)
 
       parsed = JSON.parse(response.body)
       expect(parsed["topics"]).to eq(nil)