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.
…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.