RSpec: Execute jobs triggered in specific methods.

jobs.rb

# spec/support/jobs.rb
ActiveJob::Base.queue_adapter = :test

module PerformJobsSupport
  def perform_jobs_on(klass, *method_names)
    klass.class_eval do
      include ActiveJob::TestHelper

      method_names.each do |method_name|
        alias_method "origin_#{method_name}", method_name
        define_method method_name do |*args, &block|
          perform_enqueued_jobs do
            send("origin_#{method_name}", *args, &block)
          end
        end
      end
    end
  end
end