Require `Sidekiq::Testing` in rails helper.

spec/integration/topic_auto_close_spec.rb

@@ -1,7 +1,6 @@
 # encoding: UTF-8
 
 require 'rails_helper'
-require 'sidekiq/testing'
 
 describe Topic do
 

spec/jobs/jobs_spec.rb

@@ -1,4 +1,3 @@
-require "sidekiq/testing"
 require 'rails_helper'
 require_dependency 'jobs/base'
 
@@ -123,4 +122,3 @@ describe Jobs do
   end
 
 end
-

spec/models/discourse_single_sign_on_spec.rb

@@ -1,5 +1,4 @@
 require "rails_helper"
-require 'sidekiq/testing'
 
 describe DiscourseSingleSignOn do
   before do

spec/models/web_hook_spec.rb

@@ -1,5 +1,4 @@
 require 'rails_helper'
-require 'sidekiq/testing'
 
 describe WebHook do
   it { is_expected.to validate_presence_of :payload_url }

spec/rails_helper.rb

@@ -25,6 +25,7 @@ Spork.prefork do
   require File.expand_path("../../config/environment", __FILE__)
   require 'rspec/rails'
   require 'shoulda'
+  require 'sidekiq/testing'
 
   # Requires supporting ruby files with custom matchers and macros, etc,
   # in spec/support/ and its subdirectories.