[tests] Cleanup created files afterclass

Change-Id: Ia75167bc06633dc7c28323290dc6e775bd03928c
[builder] Fixed bogus condition in projects state helper

see https://bugs.eclipse.org/bugs/show_bug.cgi?id=447805

Change-Id: I9dfe30c0cfa411761ec5aecd060b9fe3b53201a8
Merge "[builder] Fixed bogus condition in projects state helper"