Add manual test for normal/maximized/fullscreen window
types, child windows, modal dialogs, popups, focus and
activation handling.
Task-number: QTBUG-128732
Change-Id: Ieb9bd4f8847017aeb9698cacd90a243f8ed4eb52
Reviewed-by: Piotr Wierciński <piotr.wiercinski@qt.io>