module CapybaraExtension
  def drag_by(right_by, down_by)
    base.drag_by(right_by, down_by)
  end
end


module CapybaraSeleniumExtension
  def drag_by(right_by, down_by)
    driver.browser.action.drag_and_drop_by(native, right_by, down_by).perform
  end
end

::Capybara::Selenium::Node.send :include, CapybaraSeleniumExtension
::Capybara::Node::Element.send :include, CapybaraExtension