run_tasks_blocks

# File railties/lib/rails/application.rb, line 519
    def run_tasks_blocks(app) #:nodoc:
      railties.each { |r| r.run_tasks_blocks(app) }
      super
      load "rails/tasks.rb"
      task :environment do
        ActiveSupport.on_load(:before_initialize) { config.eager_load = config.rake_eager_load }

        require_environment!
      end
    end