Use ActiveSupport::Testing::TimeHelpers to fix a flaky test that chec…

…ks the message deduplication id

Gemfile

@@ -5,6 +5,7 @@ gemspec
 
 group :test do
   gem 'activejob'
+  gem 'activesupport'
   gem 'aws-sdk-core', '~> 3'
   gem 'aws-sdk-sqs'
   gem 'codeclimate-test-reporter', require: nil

spec/shared_examples_for_active_job.rb

@@ -1,11 +1,14 @@
 require 'active_job'
 require 'shoryuken/extensions/active_job_extensions'
+require 'active_support/testing/time_helpers'
 
 # Stand-in for a job class specified by the user
 class TestJob < ActiveJob::Base; end
 
 # rubocop:disable Metrics/BlockLength
 RSpec.shared_examples 'active_job_adapters' do
+  include ActiveSupport::Testing::TimeHelpers
+
   let(:job_sqs_send_message_parameters) { {} }
   let(:job) do
     job = TestJob.new
@@ -43,14 +46,16 @@ class TestJob < ActiveJob::Base; end
       let(:fifo) { true }
 
       it 'does not include job_id in the deduplication_id' do
-        expect(queue).to receive(:send_message) do |hash|
-          message_deduplication_id = Digest::SHA256.hexdigest(JSON.dump(job.serialize.except('job_id')))
+        freeze_time do
+          expect(queue).to receive(:send_message) do |hash|
+            message_deduplication_id = Digest::SHA256.hexdigest(JSON.dump(job.serialize.except('job_id')))
 
-          expect(hash[:message_deduplication_id]).to eq(message_deduplication_id)
-        end
-        expect(Shoryuken).to receive(:register_worker).with(job.queue_name, described_class::JobWrapper)
+            expect(hash[:message_deduplication_id]).to eq(message_deduplication_id)
+          end
+          expect(Shoryuken).to receive(:register_worker).with(job.queue_name, described_class::JobWrapper)
 
-        subject.enqueue(job)
+          subject.enqueue(job)
+        end
       end
 
       context 'with message_deduplication_id' do