Initial fix for broken magento tests
Initial fix for broken magento tests

In this case, the test was failing as the Find in magento.rb would
raise an exception where the directory to be searched did not exist.
This is the case in the first vhost on the ubuntu server we use to test
ohai-plugins

rackerlabs/ohai-plugins,rackerlabs/ohai-plugins,jarosser06/ohai-plugins,jarosser06/ohai-plugins