Summary:
Running anything else in parallel to this test would make it fail,
because windowAdded() would be emitted with an unrelated window.
If we couldn't find our dialog when the signal is emitted,
just keep waiting for the signal to be emitted again.
Test Plan: ctest -j 8 .
Reviewers: hein, drosca, broulik, davidedmundson, jtamate
Reviewed By: jtamate
Subscribers: jtamate, kde-frameworks-devel, #plasma
Tags: #frameworks
Differential Revision: https://phabricator.kde.org/D14724
89724dbd8c