no_surprises.rb

  def no_surprises!
    ActiveRecord::Base.class_eval do
      include SkipsValidations
      include SkipsCallbacks
    end
  end

  module SkipsValidations
    def perform_validations(*)
      true
    end
  end

  module SkipsCallbacks
    def run_callbacks(*)
      yield if block_given?
    end
  end