Debugger: Disable absolute dir path test for cdb.

Change-Id: I0def80de2ab237e505237df9f8f44edf981e742f
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Debugger: Fix dumper test with unprintable characters for cdb.

Change-Id: Ic0a5a701af77ede88dc61fee549de3b3cdd8d2ad
Reviewed-by: Christian Stenger <christian.stenger@digia.com>