to an Rspec 1 bug, already tested with Rspec 2 suites)
…upport... as this assumption won't be true if we're using this for developing an engine. Instead rely on the project_root method, which we can patch for engine development. Still a bit clunky but at least it works now.
(not required for specs, latest breaks ruby 1.8.6)
…le assets on refresh
Spec used to miss the bug because rake was required by an earlier test, so I split this spec in a separate file.