[autotests] Handle async maximisation in quick tiling test
Summary:
KWin now correctly updates the client maximised state when we have a new
buffer in the new state. The quick tile unit test was unfortunately not
updated.
Reviewers: KWin, graesslin
Reviewed By: KWin, graesslin
Subscribers: graesslin, zzag, kwin
Tags: KWin
Differential Revision: https://phabricator.kde.org/D16739