-In addition to bundled gems, running the integration tests requires "PhantomJS":http://phantomjs.org/download.html to test JavaScript elements. The simplest way to get started is to download one of the binary builds provided, and install the executable into one of the directories in your @$PATH@.
+In order for this to work, you must have Firefox installed (or Iceweasel, if you're running Debian), as well as the X Virtual Frame Buffer driver.
+
+<pre>
+$ sudo apt-get install iceweasel xvfb
+</pre>