According to QUIP-18 [1], all tests file should be
LicenseRef-Qt-Commercial OR GPL-3.0-only
[1]: https://contribute.qt-project.org/quips/18
Pick-to: 6.7
Task-number: QTBUG-121787
Change-Id: I9657df5d660820e56c96d511ea49d321c54682e8
Reviewed-by: Christian Ehrlicher <ch.ehrlicher@gmx.de>
All linux CI machines have gtk3 installed. And Python GTK things
are too complicate to setup.
Pick-to: 6.4 6.3 6.2 5.15
Change-Id: I3c0d967f61aebea508784df79569b9d0064f66e2
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>