Selenium::WebDriver::Error::JavascriptError: waiting for evaluate.js load failed Firefox 23

I had the same problem on Mac OS X Lion with FF 23.

But the problem went away for me when I updated selenium-webdriver to 2.34.0

I added gem "selenium-webdriver", "~> 2.34.0" into my Gemfile.

bundle update selenium-webdriver

bundle install

Cucumber works fine with selenium now.