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: I663143eea038da10fead5d39c1e29195b3a03e0d
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
commit8bc32cb9aa7f497e98f740ed563015881e299dff
parent0dadd0f039f9227b2ac378beeb9df5023abf851f
authorJoerg Bornemann <joerg.bornemann@qt.io>
committerJoerg Bornemann <joerg.bornemann@qt.io>
commit timeTue, 8 Sep 2026 19:25:35 +0000