title: Rails 3 - If I'm using RSpec, can I just delete the 'test' folder?
body: <p>While trying to migrate, I keep getting this error:</p>
  
  <pre><code>rake aborted!
  test-unit is not part of the bundle. Add it to Gemfile.
  </code></pre>
  
  <p>If I'm using RSpec, can I just delete the test folder altogether?</p>