This test requires test data to be available and the
testRetainSizeWhenHidden test assumes that a widget will be
sized based on its sizeHint(), which does not work on
platforms where show() implies showMaximized().
Change-Id: I9bf372d8c0ea94845ae08481ec555fe25dcfebc0
Reviewed-by: BogDan Vatra <bogdan@kde.org>
