Complete search and replace of QtTest and QtTest/QtTest with QTest, as
QtTest includes the whole module. Replace all such instances with
correct header includes. See Jira task for more discussion.
Fixes: QTBUG-88831
Change-Id: I981cfae18a1cabcabcabee376016b086d9d01f44
Pick-to: 6.0
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Replace outdated LGPL21 with LGPL license header.
Use GPL-EXCEPT for all autotests.
Also use canonical contact url.
Change-Id: I6e5cc8a4285569c4f862730a980f492b8a933a72
Reviewed-by: Jani Heikkinen <jani.heikkinen@qt.io>
