Debugger: Add offset test for QDateTime

Change-Id: I08d4023eee9c3af02e448f8bed41dba61d8b0989
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Tests: Fix filename offset test for 32bit

Change-Id: I5b16696cc8256a1eb6504c3aa8bb546d4a31bca1
Reviewed-by: hjk <hjk121@nokiamail.com>