Disable sidekiq unique jobs in test env (#27737)

config/initializers/sidekiq.rb

@@ -43,6 +43,7 @@ end
 Sidekiq.logger.level = ::Logger.const_get(ENV.fetch('RAILS_LOG_LEVEL', 'info').upcase.to_s)
 
 SidekiqUniqueJobs.configure do |config|
+  config.enabled         = !Rails.env.test?
   config.reaper          = :ruby
   config.reaper_count    = 1000
   config.reaper_interval = 600