Tests: Add standalone test configuration preamble


Add the boilerplate standalone test prelude to each test, so that
they can be configured with cmake or qt-cmake directly without the
qt-cmake-standalone-test script.

Task-number: QTBUG-93020
Change-Id: Ie38db8a8c01405e5a9a66c721b1ff21f5481a86b
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
commit8c52baf5f1c21d53e960d2411e5b2eeeac7611fa
parent4dbc545587694da9cabff111dcfbc1a2976d505b
authorJoerg Bornemann <joerg.bornemann@qt.io>
committerJoerg Bornemann <joerg.bornemann@qt.io>
commit timeSat, 29 Aug 2026 05:51:11 +0000