Extract queues list build&filter to method
Extract queues list build&filter to method

This should allow enhance Fetch'er with custom queues filtering logic:

    class Sidekiq::Throttled::Fetch
      module FilterRandomQueue
        def build_queues_list
          super.select { 0.5 <= rand }
        end
      end

      prepend FilterRandomQueue
    end

sensortower/sidekiq-throttled,sensortower/sidekiq-throttled,sensortower/sidekiq-throttled