Autofix Rubocop RSpec/LeadingSubject (#23670)

spec/workers/unfollow_follow_worker_spec.rb

@@ -3,13 +3,13 @@
 require 'rails_helper'
 
 describe UnfollowFollowWorker do
+  subject { described_class.new }
+
   let(:local_follower)   { Fabricate(:account) }
   let(:source_account)   { Fabricate(:account) }
   let(:target_account)   { Fabricate(:account) }
   let(:show_reblogs)     { true }
 
-  subject { described_class.new }
-
   before do
     local_follower.follow!(source_account, reblogs: show_reblogs)
   end