# File lib/capybara/session.rb, line 237
    def locate(kind_or_locator, locator=nil, fail_msg = nil)
      node = wait_conditionally_until { find(kind_or_locator, locator) }
    ensure
      raise Capybara::ElementNotFound, fail_msg || "Unable to locate '#{locator || kind_or_locator}'" unless node
      return node
    end