spec\support\factory_girl_additions.rb

module FactoryGirlAdditions
  # create instance without running callbacks and validations
  def insert(*args)
    record = FactoryGirl.build(*args)
    def record.run_callbacks(*args, &block)
      if block_given?
        block.arity.zero? ? yield : yield(self)
      end
    end
    record.save!
    record
  end

  def pure(*args)
    factory_name = args.shift
    if args.last.is_a?(Hash)
      options = args.pop
    else
      options = {}
    end
    traits = [:pure] | args
    FactoryGirl.build(factory_name, *traits, options)
  end
end

RSpec.configure do |config|
  config.include FactoryGirl::Syntax::Methods
  config.include FactoryGirlAdditions
end