To be consistent with the change 5b847a66
in the InsertionPointLocator. Nevertheless, there are still issues to be
addressed in this class so we probably need more test cases when those
are handled.

Task-number: QTCREATORBUG-7833
Change-Id: Ie9abdd70566063a94350723432215d030c154fab
Reviewed-by: Christian Kandeler <christian.kandeler@nokia.com>