diff --git a/activejob/Rakefile b/activejob/Rakefile
index 5d0d22e88b..6f13ef449d 100644
--- a/activejob/Rakefile
+++ b/activejob/Rakefile
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "rake/testtask"
 
 #TODO: add qu back to the list after it support Rails 5.1
diff --git a/activejob/activejob.gemspec b/activejob/activejob.gemspec
index d3fe7b45e7..71e32f695b 100644
--- a/activejob/activejob.gemspec
+++ b/activejob/activejob.gemspec
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 version = File.read(File.expand_path("../RAILS_VERSION", __dir__)).strip
 
 Gem::Specification.new do |s|
diff --git a/activejob/lib/active_job.rb b/activejob/lib/active_job.rb
index d6e21bf372..56dab66544 100644
--- a/activejob/lib/active_job.rb
+++ b/activejob/lib/active_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 #--
 # Copyright (c) 2014-2017 David Heinemeier Hansson
 #
diff --git a/activejob/lib/active_job/arguments.rb b/activejob/lib/active_job/arguments.rb
index dde7d7afa6..de11e7fcb1 100644
--- a/activejob/lib/active_job/arguments.rb
+++ b/activejob/lib/active_job/arguments.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "active_support/core_ext/hash"
 
 module ActiveJob
diff --git a/activejob/lib/active_job/base.rb b/activejob/lib/active_job/base.rb
index 96d47ac19f..6af41260db 100644
--- a/activejob/lib/active_job/base.rb
+++ b/activejob/lib/active_job/base.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require_relative "core"
 require_relative "queue_adapter"
 require_relative "queue_name"
diff --git a/activejob/lib/active_job/callbacks.rb b/activejob/lib/active_job/callbacks.rb
index ab225a93d3..334b24fb3b 100644
--- a/activejob/lib/active_job/callbacks.rb
+++ b/activejob/lib/active_job/callbacks.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "active_support/callbacks"
 
 module ActiveJob
diff --git a/activejob/lib/active_job/configured_job.rb b/activejob/lib/active_job/configured_job.rb
index 79c197d531..67daf48b36 100644
--- a/activejob/lib/active_job/configured_job.rb
+++ b/activejob/lib/active_job/configured_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module ActiveJob
   class ConfiguredJob #:nodoc:
     def initialize(job_class, options = {})
diff --git a/activejob/lib/active_job/core.rb b/activejob/lib/active_job/core.rb
index 7f1d4efc65..c4e12fc518 100644
--- a/activejob/lib/active_job/core.rb
+++ b/activejob/lib/active_job/core.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module ActiveJob
   # Provides general behavior that will be included into every Active Job
   # object that inherits from ActiveJob::Base.
diff --git a/activejob/lib/active_job/enqueuing.rb b/activejob/lib/active_job/enqueuing.rb
index 0c38200b76..ad32d3065b 100644
--- a/activejob/lib/active_job/enqueuing.rb
+++ b/activejob/lib/active_job/enqueuing.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require_relative "arguments"
 
 module ActiveJob
diff --git a/activejob/lib/active_job/exceptions.rb b/activejob/lib/active_job/exceptions.rb
index 3a91cbc0b6..dfc74deb1a 100644
--- a/activejob/lib/active_job/exceptions.rb
+++ b/activejob/lib/active_job/exceptions.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "active_support/core_ext/numeric/time"
 
 module ActiveJob
diff --git a/activejob/lib/active_job/execution.rb b/activejob/lib/active_job/execution.rb
index d4e068d6ec..85e050b489 100644
--- a/activejob/lib/active_job/execution.rb
+++ b/activejob/lib/active_job/execution.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "active_support/rescuable"
 require_relative "arguments"
 
diff --git a/activejob/lib/active_job/gem_version.rb b/activejob/lib/active_job/gem_version.rb
index 0e414f1b11..7ee61780e1 100644
--- a/activejob/lib/active_job/gem_version.rb
+++ b/activejob/lib/active_job/gem_version.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module ActiveJob
   # Returns the version of the currently loaded Active Job as a <tt>Gem::Version</tt>
   def self.gem_version
diff --git a/activejob/lib/active_job/logging.rb b/activejob/lib/active_job/logging.rb
index 8f8f4cb244..f53b7eaee5 100644
--- a/activejob/lib/active_job/logging.rb
+++ b/activejob/lib/active_job/logging.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "active_support/core_ext/hash/transform_values"
 require "active_support/core_ext/string/filters"
 require "active_support/tagged_logging"
diff --git a/activejob/lib/active_job/queue_adapter.rb b/activejob/lib/active_job/queue_adapter.rb
index 8f4d40de19..dd05800baf 100644
--- a/activejob/lib/active_job/queue_adapter.rb
+++ b/activejob/lib/active_job/queue_adapter.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "active_support/core_ext/string/inflections"
 
 module ActiveJob
diff --git a/activejob/lib/active_job/queue_adapters.rb b/activejob/lib/active_job/queue_adapters.rb
index b89a62319a..c1a1d3c510 100644
--- a/activejob/lib/active_job/queue_adapters.rb
+++ b/activejob/lib/active_job/queue_adapters.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module ActiveJob
   # == Active Job adapters
   #
diff --git a/activejob/lib/active_job/queue_adapters/async_adapter.rb b/activejob/lib/active_job/queue_adapters/async_adapter.rb
index d2fc686339..eec9ae08bb 100644
--- a/activejob/lib/active_job/queue_adapters/async_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/async_adapter.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "securerandom"
 require "concurrent/scheduled_task"
 require "concurrent/executor/thread_pool_executor"
diff --git a/activejob/lib/active_job/queue_adapters/backburner_adapter.rb b/activejob/lib/active_job/queue_adapters/backburner_adapter.rb
index 63519df551..0ba93c6e0b 100644
--- a/activejob/lib/active_job/queue_adapters/backburner_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/backburner_adapter.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "backburner"
 
 module ActiveJob
diff --git a/activejob/lib/active_job/queue_adapters/delayed_job_adapter.rb b/activejob/lib/active_job/queue_adapters/delayed_job_adapter.rb
index 54a5af2ae6..1978179948 100644
--- a/activejob/lib/active_job/queue_adapters/delayed_job_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/delayed_job_adapter.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "delayed_job"
 
 module ActiveJob
diff --git a/activejob/lib/active_job/queue_adapters/inline_adapter.rb b/activejob/lib/active_job/queue_adapters/inline_adapter.rb
index e793fff89d..3d0b590212 100644
--- a/activejob/lib/active_job/queue_adapters/inline_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/inline_adapter.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module ActiveJob
   module QueueAdapters
     # == Active Job Inline adapter
diff --git a/activejob/lib/active_job/queue_adapters/qu_adapter.rb b/activejob/lib/active_job/queue_adapters/qu_adapter.rb
index 9b2072f611..bd7003e177 100644
--- a/activejob/lib/active_job/queue_adapters/qu_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/qu_adapter.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "qu"
 
 module ActiveJob
diff --git a/activejob/lib/active_job/queue_adapters/que_adapter.rb b/activejob/lib/active_job/queue_adapters/que_adapter.rb
index e72899a1cb..86b5e07743 100644
--- a/activejob/lib/active_job/queue_adapters/que_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/que_adapter.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "que"
 
 module ActiveJob
diff --git a/activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb b/activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb
index 53fb0d83b4..ccc1881091 100644
--- a/activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "queue_classic"
 
 module ActiveJob
diff --git a/activejob/lib/active_job/queue_adapters/resque_adapter.rb b/activejob/lib/active_job/queue_adapters/resque_adapter.rb
index f9cefd3c33..590b4ee98d 100644
--- a/activejob/lib/active_job/queue_adapters/resque_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/resque_adapter.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "resque"
 require "active_support/core_ext/enumerable"
 require "active_support/core_ext/array/access"
diff --git a/activejob/lib/active_job/queue_adapters/sidekiq_adapter.rb b/activejob/lib/active_job/queue_adapters/sidekiq_adapter.rb
index 35f399b0f0..5a1135854b 100644
--- a/activejob/lib/active_job/queue_adapters/sidekiq_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/sidekiq_adapter.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "sidekiq"
 
 module ActiveJob
diff --git a/activejob/lib/active_job/queue_adapters/sneakers_adapter.rb b/activejob/lib/active_job/queue_adapters/sneakers_adapter.rb
index 972ff5af0f..de98a950d0 100644
--- a/activejob/lib/active_job/queue_adapters/sneakers_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/sneakers_adapter.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "sneakers"
 require "monitor"
 
diff --git a/activejob/lib/active_job/queue_adapters/sucker_punch_adapter.rb b/activejob/lib/active_job/queue_adapters/sucker_punch_adapter.rb
index 2ba9372f4f..d09e1e9143 100644
--- a/activejob/lib/active_job/queue_adapters/sucker_punch_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/sucker_punch_adapter.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "sucker_punch"
 
 module ActiveJob
diff --git a/activejob/lib/active_job/queue_adapters/test_adapter.rb b/activejob/lib/active_job/queue_adapters/test_adapter.rb
index 5972b28156..43566b433c 100644
--- a/activejob/lib/active_job/queue_adapters/test_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/test_adapter.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module ActiveJob
   module QueueAdapters
     # == Test adapter for Active Job
diff --git a/activejob/lib/active_job/queue_name.rb b/activejob/lib/active_job/queue_name.rb
index 22ebd5e3fc..9dc6bc7f2e 100644
--- a/activejob/lib/active_job/queue_name.rb
+++ b/activejob/lib/active_job/queue_name.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module ActiveJob
   module QueueName
     extend ActiveSupport::Concern
diff --git a/activejob/lib/active_job/queue_priority.rb b/activejob/lib/active_job/queue_priority.rb
index fd1c0f6286..063bccdb01 100644
--- a/activejob/lib/active_job/queue_priority.rb
+++ b/activejob/lib/active_job/queue_priority.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module ActiveJob
   module QueuePriority
     extend ActiveSupport::Concern
diff --git a/activejob/lib/active_job/railtie.rb b/activejob/lib/active_job/railtie.rb
index 8adbd3473c..7b0742a6d2 100644
--- a/activejob/lib/active_job/railtie.rb
+++ b/activejob/lib/active_job/railtie.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "global_id/railtie"
 require "active_job"
 
diff --git a/activejob/lib/active_job/test_case.rb b/activejob/lib/active_job/test_case.rb
index 028ff552bf..49cd51bdd0 100644
--- a/activejob/lib/active_job/test_case.rb
+++ b/activejob/lib/active_job/test_case.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "active_support/test_case"
 
 module ActiveJob
diff --git a/activejob/lib/active_job/test_helper.rb b/activejob/lib/active_job/test_helper.rb
index 60ca1b5f1b..1807521d04 100644
--- a/activejob/lib/active_job/test_helper.rb
+++ b/activejob/lib/active_job/test_helper.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "active_support/core_ext/class/subclasses"
 require "active_support/core_ext/hash/keys"
 
diff --git a/activejob/lib/active_job/translation.rb b/activejob/lib/active_job/translation.rb
index 71c4cb24af..fb45c80d67 100644
--- a/activejob/lib/active_job/translation.rb
+++ b/activejob/lib/active_job/translation.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module ActiveJob
   module Translation #:nodoc:
     extend ActiveSupport::Concern
diff --git a/activejob/lib/active_job/version.rb b/activejob/lib/active_job/version.rb
index afff4271d4..eae7da4d05 100644
--- a/activejob/lib/active_job/version.rb
+++ b/activejob/lib/active_job/version.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require_relative "gem_version"
 
 module ActiveJob
diff --git a/activejob/lib/rails/generators/job/job_generator.rb b/activejob/lib/rails/generators/job/job_generator.rb
index dce4e3a3fe..69b4fe7d26 100644
--- a/activejob/lib/rails/generators/job/job_generator.rb
+++ b/activejob/lib/rails/generators/job/job_generator.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "rails/generators/named_base"
 
 module Rails # :nodoc:
diff --git a/activejob/test/adapters/async.rb b/activejob/test/adapters/async.rb
index d5a61d7684..a4fed7c2f7 100644
--- a/activejob/test/adapters/async.rb
+++ b/activejob/test/adapters/async.rb
@@ -1,3 +1,4 @@
 # frozen_string_literal: true
+
 ActiveJob::Base.queue_adapter = :async
 ActiveJob::Base.queue_adapter.immediate = true
diff --git a/activejob/test/adapters/backburner.rb b/activejob/test/adapters/backburner.rb
index cfc97432f2..bc34c78e9c 100644
--- a/activejob/test/adapters/backburner.rb
+++ b/activejob/test/adapters/backburner.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "support/backburner/inline"
 
 ActiveJob::Base.queue_adapter = :backburner
diff --git a/activejob/test/adapters/delayed_job.rb b/activejob/test/adapters/delayed_job.rb
index 3aa646555a..904b4c3f90 100644
--- a/activejob/test/adapters/delayed_job.rb
+++ b/activejob/test/adapters/delayed_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 ActiveJob::Base.queue_adapter = :delayed_job
 
 $LOAD_PATH << File.expand_path("../support/delayed_job", __dir__)
diff --git a/activejob/test/adapters/inline.rb b/activejob/test/adapters/inline.rb
index ec3f0940e6..b1ddcb28f1 100644
--- a/activejob/test/adapters/inline.rb
+++ b/activejob/test/adapters/inline.rb
@@ -1,2 +1,3 @@
 # frozen_string_literal: true
+
 ActiveJob::Base.queue_adapter = :inline
diff --git a/activejob/test/adapters/qu.rb b/activejob/test/adapters/qu.rb
index f8e7eb624d..5b471fa347 100644
--- a/activejob/test/adapters/qu.rb
+++ b/activejob/test/adapters/qu.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "qu-immediate"
 
 ActiveJob::Base.queue_adapter = :qu
diff --git a/activejob/test/adapters/que.rb b/activejob/test/adapters/que.rb
index 0d27bb8fc9..af77b0d4d1 100644
--- a/activejob/test/adapters/que.rb
+++ b/activejob/test/adapters/que.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "support/que/inline"
 
 ActiveJob::Base.queue_adapter = :que
diff --git a/activejob/test/adapters/queue_classic.rb b/activejob/test/adapters/queue_classic.rb
index f57057c914..73902a5e62 100644
--- a/activejob/test/adapters/queue_classic.rb
+++ b/activejob/test/adapters/queue_classic.rb
@@ -1,3 +1,4 @@
 # frozen_string_literal: true
+
 require "support/queue_classic/inline"
 ActiveJob::Base.queue_adapter = :queue_classic
diff --git a/activejob/test/adapters/resque.rb b/activejob/test/adapters/resque.rb
index 6c732c1e33..ad84a49372 100644
--- a/activejob/test/adapters/resque.rb
+++ b/activejob/test/adapters/resque.rb
@@ -1,3 +1,4 @@
 # frozen_string_literal: true
+
 ActiveJob::Base.queue_adapter = :resque
 Resque.inline = true
diff --git a/activejob/test/adapters/sidekiq.rb b/activejob/test/adapters/sidekiq.rb
index 6cc64e7684..7df1c36488 100644
--- a/activejob/test/adapters/sidekiq.rb
+++ b/activejob/test/adapters/sidekiq.rb
@@ -1,3 +1,4 @@
 # frozen_string_literal: true
+
 require "sidekiq/testing/inline"
 ActiveJob::Base.queue_adapter = :sidekiq
diff --git a/activejob/test/adapters/sneakers.rb b/activejob/test/adapters/sneakers.rb
index 85f6b74144..38d82aa778 100644
--- a/activejob/test/adapters/sneakers.rb
+++ b/activejob/test/adapters/sneakers.rb
@@ -1,3 +1,4 @@
 # frozen_string_literal: true
+
 require "support/sneakers/inline"
 ActiveJob::Base.queue_adapter = :sneakers
diff --git a/activejob/test/adapters/sucker_punch.rb b/activejob/test/adapters/sucker_punch.rb
index 45b5fa1db2..04bad984d4 100644
--- a/activejob/test/adapters/sucker_punch.rb
+++ b/activejob/test/adapters/sucker_punch.rb
@@ -1,3 +1,4 @@
 # frozen_string_literal: true
+
 require "sucker_punch/testing/inline"
 ActiveJob::Base.queue_adapter = :sucker_punch
diff --git a/activejob/test/adapters/test.rb b/activejob/test/adapters/test.rb
index 965f7e91a2..0a1367dacf 100644
--- a/activejob/test/adapters/test.rb
+++ b/activejob/test/adapters/test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 ActiveJob::Base.queue_adapter = :test
 ActiveJob::Base.queue_adapter.perform_enqueued_jobs = true
 ActiveJob::Base.queue_adapter.perform_enqueued_at_jobs = true
diff --git a/activejob/test/cases/adapter_test.rb b/activejob/test/cases/adapter_test.rb
index 764ce3ccbc..2c179b2d38 100644
--- a/activejob/test/cases/adapter_test.rb
+++ b/activejob/test/cases/adapter_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 
 class AdapterTest < ActiveSupport::TestCase
diff --git a/activejob/test/cases/argument_serialization_test.rb b/activejob/test/cases/argument_serialization_test.rb
index ebd9a4fe41..13e6fcb727 100644
--- a/activejob/test/cases/argument_serialization_test.rb
+++ b/activejob/test/cases/argument_serialization_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 require "active_job/arguments"
 require "models/person"
diff --git a/activejob/test/cases/callbacks_test.rb b/activejob/test/cases/callbacks_test.rb
index fbca367ae9..df6ce16858 100644
--- a/activejob/test/cases/callbacks_test.rb
+++ b/activejob/test/cases/callbacks_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 require "jobs/callback_job"
 
diff --git a/activejob/test/cases/exceptions_test.rb b/activejob/test/cases/exceptions_test.rb
index 5f56d47e8e..7a3c372143 100644
--- a/activejob/test/cases/exceptions_test.rb
+++ b/activejob/test/cases/exceptions_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 require "jobs/retry_job"
 
diff --git a/activejob/test/cases/job_serialization_test.rb b/activejob/test/cases/job_serialization_test.rb
index fa8d98ddca..440051c427 100644
--- a/activejob/test/cases/job_serialization_test.rb
+++ b/activejob/test/cases/job_serialization_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 require "jobs/gid_job"
 require "jobs/hello_job"
diff --git a/activejob/test/cases/logging_test.rb b/activejob/test/cases/logging_test.rb
index 117d9b23a3..1f8c4a5573 100644
--- a/activejob/test/cases/logging_test.rb
+++ b/activejob/test/cases/logging_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 require "active_support/log_subscriber/test_helper"
 require "active_support/core_ext/numeric/time"
diff --git a/activejob/test/cases/queue_adapter_test.rb b/activejob/test/cases/queue_adapter_test.rb
index 6061fb2127..e71cfa49cf 100644
--- a/activejob/test/cases/queue_adapter_test.rb
+++ b/activejob/test/cases/queue_adapter_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 
 module ActiveJob
diff --git a/activejob/test/cases/queue_naming_test.rb b/activejob/test/cases/queue_naming_test.rb
index 8ba4324c46..b64a38f91e 100644
--- a/activejob/test/cases/queue_naming_test.rb
+++ b/activejob/test/cases/queue_naming_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 require "jobs/hello_job"
 require "jobs/logging_job"
diff --git a/activejob/test/cases/queue_priority_test.rb b/activejob/test/cases/queue_priority_test.rb
index 416498c270..4b3006ae81 100644
--- a/activejob/test/cases/queue_priority_test.rb
+++ b/activejob/test/cases/queue_priority_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 require "jobs/hello_job"
 
diff --git a/activejob/test/cases/queuing_test.rb b/activejob/test/cases/queuing_test.rb
index 44f674a2ee..0e843b7215 100644
--- a/activejob/test/cases/queuing_test.rb
+++ b/activejob/test/cases/queuing_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 require "jobs/hello_job"
 require "active_support/core_ext/numeric/time"
diff --git a/activejob/test/cases/rescue_test.rb b/activejob/test/cases/rescue_test.rb
index c2a991cb2d..da9c87dbf0 100644
--- a/activejob/test/cases/rescue_test.rb
+++ b/activejob/test/cases/rescue_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 require "jobs/rescue_job"
 require "models/person"
diff --git a/activejob/test/cases/test_case_test.rb b/activejob/test/cases/test_case_test.rb
index eb320a98d1..4ae2add3a8 100644
--- a/activejob/test/cases/test_case_test.rb
+++ b/activejob/test/cases/test_case_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 require "jobs/hello_job"
 require "jobs/logging_job"
diff --git a/activejob/test/cases/test_helper_test.rb b/activejob/test/cases/test_helper_test.rb
index 0f8174663e..2e1d8cf81d 100644
--- a/activejob/test/cases/test_helper_test.rb
+++ b/activejob/test/cases/test_helper_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 require "active_support/core_ext/time"
 require "active_support/core_ext/date"
diff --git a/activejob/test/cases/translation_test.rb b/activejob/test/cases/translation_test.rb
index d6782a38bd..6a0d6d3e54 100644
--- a/activejob/test/cases/translation_test.rb
+++ b/activejob/test/cases/translation_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 require "jobs/translated_hello_job"
 
diff --git a/activejob/test/helper.rb b/activejob/test/helper.rb
index edcf159056..694232d7ef 100644
--- a/activejob/test/helper.rb
+++ b/activejob/test/helper.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "active_job"
 require "support/job_buffer"
 
diff --git a/activejob/test/integration/queuing_test.rb b/activejob/test/integration/queuing_test.rb
index 72c66d111f..0d8aa336a6 100644
--- a/activejob/test/integration/queuing_test.rb
+++ b/activejob/test/integration/queuing_test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "helper"
 require "jobs/logging_job"
 require "jobs/hello_job"
diff --git a/activejob/test/jobs/application_job.rb b/activejob/test/jobs/application_job.rb
index 32fe70b8e4..d92ffddcb5 100644
--- a/activejob/test/jobs/application_job.rb
+++ b/activejob/test/jobs/application_job.rb
@@ -1,3 +1,4 @@
 # frozen_string_literal: true
+
 class ApplicationJob < ActiveJob::Base
 end
diff --git a/activejob/test/jobs/callback_job.rb b/activejob/test/jobs/callback_job.rb
index 7c5b161437..436cb55492 100644
--- a/activejob/test/jobs/callback_job.rb
+++ b/activejob/test/jobs/callback_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 class CallbackJob < ActiveJob::Base
   before_perform ->(job) { job.history << "CallbackJob ran before_perform" }
   after_perform ->(job) { job.history << "CallbackJob ran after_perform" }
diff --git a/activejob/test/jobs/gid_job.rb b/activejob/test/jobs/gid_job.rb
index c43e25a796..2136f57e05 100644
--- a/activejob/test/jobs/gid_job.rb
+++ b/activejob/test/jobs/gid_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require_relative "../support/job_buffer"
 
 class GidJob < ActiveJob::Base
diff --git a/activejob/test/jobs/hello_job.rb b/activejob/test/jobs/hello_job.rb
index 79e1d6a6f4..404df6150a 100644
--- a/activejob/test/jobs/hello_job.rb
+++ b/activejob/test/jobs/hello_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require_relative "../support/job_buffer"
 
 class HelloJob < ActiveJob::Base
diff --git a/activejob/test/jobs/inherited_job.rb b/activejob/test/jobs/inherited_job.rb
index 58b6582154..14f852ed06 100644
--- a/activejob/test/jobs/inherited_job.rb
+++ b/activejob/test/jobs/inherited_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require_relative "application_job"
 
 class InheritedJob < ApplicationJob
diff --git a/activejob/test/jobs/kwargs_job.rb b/activejob/test/jobs/kwargs_job.rb
index ccd9811595..b86b06bada 100644
--- a/activejob/test/jobs/kwargs_job.rb
+++ b/activejob/test/jobs/kwargs_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require_relative "../support/job_buffer"
 
 class KwargsJob < ActiveJob::Base
diff --git a/activejob/test/jobs/logging_job.rb b/activejob/test/jobs/logging_job.rb
index 1a47601fde..4605fa6937 100644
--- a/activejob/test/jobs/logging_job.rb
+++ b/activejob/test/jobs/logging_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 class LoggingJob < ActiveJob::Base
   def perform(dummy)
     logger.info "Dummy, here is it: #{dummy}"
diff --git a/activejob/test/jobs/nested_job.rb b/activejob/test/jobs/nested_job.rb
index 891a2f952e..aafad0dba9 100644
--- a/activejob/test/jobs/nested_job.rb
+++ b/activejob/test/jobs/nested_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 class NestedJob < ActiveJob::Base
   def perform
     LoggingJob.perform_later "NestedJob"
diff --git a/activejob/test/jobs/overridden_logging_job.rb b/activejob/test/jobs/overridden_logging_job.rb
index 808d6e30e6..2ee363637d 100644
--- a/activejob/test/jobs/overridden_logging_job.rb
+++ b/activejob/test/jobs/overridden_logging_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 class OverriddenLoggingJob < ActiveJob::Base
   def perform(dummy)
     logger.info "Dummy, here is it: #{dummy}"
diff --git a/activejob/test/jobs/provider_jid_job.rb b/activejob/test/jobs/provider_jid_job.rb
index 71ed23e9bb..dacd09afdc 100644
--- a/activejob/test/jobs/provider_jid_job.rb
+++ b/activejob/test/jobs/provider_jid_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require_relative "../support/job_buffer"
 
 class ProviderJidJob < ActiveJob::Base
diff --git a/activejob/test/jobs/queue_adapter_job.rb b/activejob/test/jobs/queue_adapter_job.rb
index 7058ab2087..1c31a60ba2 100644
--- a/activejob/test/jobs/queue_adapter_job.rb
+++ b/activejob/test/jobs/queue_adapter_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 class QueueAdapterJob < ActiveJob::Base
   self.queue_adapter = :inline
 end
diff --git a/activejob/test/jobs/queue_as_job.rb b/activejob/test/jobs/queue_as_job.rb
index ab3075aa77..0feee99e87 100644
--- a/activejob/test/jobs/queue_as_job.rb
+++ b/activejob/test/jobs/queue_as_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require_relative "../support/job_buffer"
 
 class QueueAsJob < ActiveJob::Base
diff --git a/activejob/test/jobs/rescue_job.rb b/activejob/test/jobs/rescue_job.rb
index fd78820bfe..d142cec1ea 100644
--- a/activejob/test/jobs/rescue_job.rb
+++ b/activejob/test/jobs/rescue_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require_relative "../support/job_buffer"
 
 class RescueJob < ActiveJob::Base
diff --git a/activejob/test/jobs/retry_job.rb b/activejob/test/jobs/retry_job.rb
index b121296441..a12d09779b 100644
--- a/activejob/test/jobs/retry_job.rb
+++ b/activejob/test/jobs/retry_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require_relative "../support/job_buffer"
 require "active_support/core_ext/integer/inflections"
 
diff --git a/activejob/test/jobs/translated_hello_job.rb b/activejob/test/jobs/translated_hello_job.rb
index 67ddca2f41..a0a68b4040 100644
--- a/activejob/test/jobs/translated_hello_job.rb
+++ b/activejob/test/jobs/translated_hello_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require_relative "../support/job_buffer"
 
 class TranslatedHelloJob < ActiveJob::Base
diff --git a/activejob/test/models/person.rb b/activejob/test/models/person.rb
index bcd1018782..9a3bfab25f 100644
--- a/activejob/test/models/person.rb
+++ b/activejob/test/models/person.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 class Person
   class RecordNotFound < StandardError; end
 
diff --git a/activejob/test/support/backburner/inline.rb b/activejob/test/support/backburner/inline.rb
index 304f9c781c..6c708c0b7b 100644
--- a/activejob/test/support/backburner/inline.rb
+++ b/activejob/test/support/backburner/inline.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "backburner"
 
 Backburner::Worker.class_eval do
diff --git a/activejob/test/support/delayed_job/delayed/backend/test.rb b/activejob/test/support/delayed_job/delayed/backend/test.rb
index ed3b252042..4721c1cc17 100644
--- a/activejob/test/support/delayed_job/delayed/backend/test.rb
+++ b/activejob/test/support/delayed_job/delayed/backend/test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 #copied from https://github.com/collectiveidea/delayed_job/blob/master/spec/delayed/backend/test.rb
 require "ostruct"
 
diff --git a/activejob/test/support/integration/adapters/async.rb b/activejob/test/support/integration/adapters/async.rb
index 19aea8472e..ba9674d7a1 100644
--- a/activejob/test/support/integration/adapters/async.rb
+++ b/activejob/test/support/integration/adapters/async.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module AsyncJobsManager
   def setup
     ActiveJob::Base.queue_adapter = :async
diff --git a/activejob/test/support/integration/adapters/backburner.rb b/activejob/test/support/integration/adapters/backburner.rb
index fd1e7697c5..eb179011d9 100644
--- a/activejob/test/support/integration/adapters/backburner.rb
+++ b/activejob/test/support/integration/adapters/backburner.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module BackburnerJobsManager
   def setup
     ActiveJob::Base.queue_adapter = :backburner
diff --git a/activejob/test/support/integration/adapters/delayed_job.rb b/activejob/test/support/integration/adapters/delayed_job.rb
index 73e1a04e45..ae5de78b60 100644
--- a/activejob/test/support/integration/adapters/delayed_job.rb
+++ b/activejob/test/support/integration/adapters/delayed_job.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "delayed_job"
 require "delayed_job_active_record"
 
diff --git a/activejob/test/support/integration/adapters/inline.rb b/activejob/test/support/integration/adapters/inline.rb
index c669793dba..10a97fb941 100644
--- a/activejob/test/support/integration/adapters/inline.rb
+++ b/activejob/test/support/integration/adapters/inline.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module InlineJobsManager
   def setup
     ActiveJob::Base.queue_adapter = :inline
diff --git a/activejob/test/support/integration/adapters/qu.rb b/activejob/test/support/integration/adapters/qu.rb
index b2f63d8f94..67db03e279 100644
--- a/activejob/test/support/integration/adapters/qu.rb
+++ b/activejob/test/support/integration/adapters/qu.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module QuJobsManager
   def setup
     require "qu-rails"
diff --git a/activejob/test/support/integration/adapters/que.rb b/activejob/test/support/integration/adapters/que.rb
index cf1160d2bc..2a771b08c7 100644
--- a/activejob/test/support/integration/adapters/que.rb
+++ b/activejob/test/support/integration/adapters/que.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module QueJobsManager
   def setup
     require "sequel"
diff --git a/activejob/test/support/integration/adapters/queue_classic.rb b/activejob/test/support/integration/adapters/queue_classic.rb
index 7f1308c5d3..1b0685a971 100644
--- a/activejob/test/support/integration/adapters/queue_classic.rb
+++ b/activejob/test/support/integration/adapters/queue_classic.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module QueueClassicJobsManager
   def setup
     ENV["QC_DATABASE_URL"] ||= "postgres:///active_jobs_qc_int_test"
diff --git a/activejob/test/support/integration/adapters/resque.rb b/activejob/test/support/integration/adapters/resque.rb
index 5d142d324d..484b476567 100644
--- a/activejob/test/support/integration/adapters/resque.rb
+++ b/activejob/test/support/integration/adapters/resque.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module ResqueJobsManager
   def setup
     ActiveJob::Base.queue_adapter = :resque
diff --git a/activejob/test/support/integration/adapters/sidekiq.rb b/activejob/test/support/integration/adapters/sidekiq.rb
index 253cbd550b..b63d16d248 100644
--- a/activejob/test/support/integration/adapters/sidekiq.rb
+++ b/activejob/test/support/integration/adapters/sidekiq.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "sidekiq/api"
 
 require "sidekiq/testing"
diff --git a/activejob/test/support/integration/adapters/sneakers.rb b/activejob/test/support/integration/adapters/sneakers.rb
index dc42501ff3..965e6e2e6c 100644
--- a/activejob/test/support/integration/adapters/sneakers.rb
+++ b/activejob/test/support/integration/adapters/sneakers.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "sneakers/runner"
 require "sneakers/publisher"
 require "timeout"
diff --git a/activejob/test/support/integration/adapters/sucker_punch.rb b/activejob/test/support/integration/adapters/sucker_punch.rb
index e528f24261..099d412c8f 100644
--- a/activejob/test/support/integration/adapters/sucker_punch.rb
+++ b/activejob/test/support/integration/adapters/sucker_punch.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module SuckerPunchJobsManager
   def setup
     ActiveJob::Base.queue_adapter = :sucker_punch
diff --git a/activejob/test/support/integration/dummy_app_template.rb b/activejob/test/support/integration/dummy_app_template.rb
index a054ecea08..ac382bd1b7 100644
--- a/activejob/test/support/integration/dummy_app_template.rb
+++ b/activejob/test/support/integration/dummy_app_template.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 if ENV["AJ_ADAPTER"] == "delayed_job"
   generate "delayed_job:active_record", "--quiet"
 end
diff --git a/activejob/test/support/integration/helper.rb b/activejob/test/support/integration/helper.rb
index c0aa14c4c2..a058da141f 100644
--- a/activejob/test/support/integration/helper.rb
+++ b/activejob/test/support/integration/helper.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 puts "\n\n*** rake aj:integration:#{ENV['AJ_ADAPTER']} ***\n"
 
 ENV["RAILS_ENV"] = "test"
diff --git a/activejob/test/support/integration/jobs_manager.rb b/activejob/test/support/integration/jobs_manager.rb
index 1cfbd60dc4..4775f52b2f 100644
--- a/activejob/test/support/integration/jobs_manager.rb
+++ b/activejob/test/support/integration/jobs_manager.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 class JobsManager
   @@managers = {}
   attr :adapter_name
diff --git a/activejob/test/support/integration/test_case_helpers.rb b/activejob/test/support/integration/test_case_helpers.rb
index add719187c..9629876a6d 100644
--- a/activejob/test/support/integration/test_case_helpers.rb
+++ b/activejob/test/support/integration/test_case_helpers.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "active_support/core_ext/string/inflections"
 require "support/integration/jobs_manager"
 
diff --git a/activejob/test/support/job_buffer.rb b/activejob/test/support/job_buffer.rb
index 3146d06d54..45a6437685 100644
--- a/activejob/test/support/job_buffer.rb
+++ b/activejob/test/support/job_buffer.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module JobBuffer
   class << self
     def clear
diff --git a/activejob/test/support/que/inline.rb b/activejob/test/support/que/inline.rb
index e204f8154a..4ca65c1cd4 100644
--- a/activejob/test/support/que/inline.rb
+++ b/activejob/test/support/que/inline.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "que"
 
 Que::Job.class_eval do
diff --git a/activejob/test/support/queue_classic/inline.rb b/activejob/test/support/queue_classic/inline.rb
index 955469e5a8..ca3cd4581b 100644
--- a/activejob/test/support/queue_classic/inline.rb
+++ b/activejob/test/support/queue_classic/inline.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "queue_classic"
 
 module QC
diff --git a/activejob/test/support/sneakers/inline.rb b/activejob/test/support/sneakers/inline.rb
index 46882870d5..92b69ee3bc 100644
--- a/activejob/test/support/sneakers/inline.rb
+++ b/activejob/test/support/sneakers/inline.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "sneakers"
 
 module Sneakers