Tests: Add standalone test configuration preamble to manual tests


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

Task-number: QTBUG-95272
Change-Id: I58ef302495fa7f262a2414a75d8ddc0fd7ed7e89
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
commit72983b819160b542801522bc6cb90d1d83ea5f57
parent5e6b4cfa1585ba0e28438c07f54125e7d5739864
authorJoerg Bornemann <joerg.bornemann@qt.io>
committerJoerg Bornemann <joerg.bornemann@qt.io>
commit timeTue, 8 Sep 2026 19:26:05 +0000