Comment 38 for bug 2033308

> b) given the uncertainty around the motivation for the original removal of all preferences files during the build, have you tested building an image with and without the fix, and compared them? Could this be added to the test plan, to make sure the fix is not inadvertently introducing other changes?

We have tested with before and after fix yes and compared the filelists.

@catred is working to add this to the test plan