[INTERNAL] fix for commit 7f5610d41f1f4cf132049a13b724e8565daea040

Projects must be opened first after creation.

Change-Id: I9c0bbdfe6bd8c181a5361484b5abde618f5c4a32
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1895
Tested-by: Jenkins CI
Reviewed-by: Stefan Rossbach <srossbach@arcor.de>