Add example job to dummy app (#490)

test/dummy/config/application.rb

@@ -3,7 +3,7 @@
 require_relative "boot"
 
 require "active_model/railtie"
-# require "active_job/railtie"
+require "active_job/railtie"
 require "active_record/railtie"
 # require "active_storage/engine"
 require "action_controller/railtie"

test/dummy/jobs/application_job.rb

@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+class ApplicationJob < ActiveJob::Base
+end

test/dummy/jobs/example_job.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class ExampleJob < ApplicationJob
+  queue_as :default
+
+  def perform(*values)
+    # Do something later
+  end
+end