Added a test case for launching the SceneInfoWindow

The test isn't working.  Uploading to have Chris test why it's not
working.  The test runs by clicking the dropscene label in the edit item
window.  The code is on EditItemWindow (lines 78-91).
Merge pull request #30 from jcote008/JcoteFork

Added a test case for launching the SceneInfoWindow - Merged 04/05/14