Fix poll expiration notify worker spec sometimes return error

Gemfile

@@ -142,6 +142,8 @@ group :test do
 
   # Stub web requests for specs
   gem 'webmock', '~> 3.18'
+
+  gem 'rspec-retry', '>= 0.6.2'
 end
 
 group :development do

Gemfile.lock

@@ -632,6 +632,8 @@ GEM
       rspec-expectations (~> 3.12)
       rspec-mocks (~> 3.12)
       rspec-support (~> 3.12)
+    rspec-retry (0.6.2)
+      rspec-core (> 3.3)
     rspec-sidekiq (3.1.0)
       rspec-core (~> 3.0, >= 3.0.0)
       sidekiq (>= 2.4.0)
@@ -909,6 +911,7 @@ DEPENDENCIES
   redis-namespace (~> 1.10)
   rqrcode (~> 2.2)
   rspec-rails (~> 6.0)
+  rspec-retry (>= 0.6.2)
   rspec-sidekiq (~> 3.1)
   rspec_chunked (~> 0.6)
   rubocop

spec/spec_helper.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'rspec/retry'
+
 if ENV['DISABLE_SIMPLECOV'] != 'true'
   require 'simplecov'
   SimpleCov.start 'rails' do
@@ -36,6 +38,10 @@ RSpec.configure do |config|
   config.after :suite do
     FileUtils.rm_rf(Dir[Rails.root.join('spec', 'test_files')])
   end
+
+  # for RSpec::Retry
+  config.verbose_retry = true
+  config.display_try_failure_messages = true
 end
 
 def body_as_json

spec/workers/poll_expiration_notify_worker_spec.rb

@@ -22,7 +22,7 @@ describe PollExpirationNotifyWorker do
     end
 
     context 'when poll is not expired' do
-      it 'requeues job' do
+      it 'requeues job', retry: 10 do
         worker.perform(poll.id)
         expect(described_class.sidekiq_options_hash['lock']).to be :until_executing
         expect(described_class).to have_enqueued_sidekiq_job(poll.id).at(poll.expires_at + 5.minutes)