Allow Capybara to click on links without href

click_link_patch.rb

module XPath
  module HTML
    def link(locator)
      locator = locator.to_s
      link = descendant(:a) #[attr(:href)]
      link[attr(:id).equals(locator) | string.n.is(locator) | attr(:title).is(locator) | descendant(:img)[attr(:alt).is(locator)]]
    end
  end
end