Suppres task spec output using capture_stdout

spec/support/helpers.rb

@@ -138,10 +138,6 @@ module Helpers
     $stdout = old_stdout
   end
 
-  def disable_puts_stdout
-    IO.any_instance.stubs(:puts)
-  end
-
   def set_subfolder(f)
     global_setting :relative_url_root, f
     old_root = ActionController::Base.config.relative_url_root

spec/tasks/uploads_spec.rb

@@ -6,7 +6,6 @@ RSpec.describe "tasks/uploads" do
   before do
     Rake::Task.clear
     Discourse::Application.load_tasks
-    disable_puts_stdout
   end
 
   describe "uploads:ensure_correct_acl" do
@@ -33,7 +32,9 @@ RSpec.describe "tasks/uploads" do
     end
 
     def invoke_task
-      Rake::Task['uploads:ensure_correct_acl'].invoke
+      capture_stdout do
+        Rake::Task['uploads:ensure_correct_acl'].invoke
+      end
     end
 
     context "when the store is internal" do