Privatize unneededly protected methods in Active Job tests

activejob/test/support/integration/adapters/sneakers.rb

@@ -73,7 +73,7 @@ def can_run?
     true
   end
 
-  protected
+  private
     def bunny_publisher
       @bunny_publisher ||= begin
         p = ActiveJob::QueueAdapters::SneakersAdapter::JobWrapper.send(:publisher)

activejob/test/support/integration/test_case_helpers.rb

@@ -17,7 +17,7 @@ module TestCaseHelpers
     end
   end
 
-  protected
+  private
 
     def jobs_manager
       JobsManager.current_manager