Fix failures for tst_eventdispatcher on INTEGRITY

- New testcase tst_eventdispatcher added under commit d292f0143f.
  It shows that only glib implementation works correctly.

Task-number: QTBUG-99123
Pick-to: 6.2 6.3
Change-Id: I7b861a6207fcb319de362645fc8f00a8ab6cd4b9
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

tests/auto/corelib/kernel/qeventdispatcher/tst_qeventdispatcher.cpp

@@ -451,7 +451,7 @@ void tst_QEventDispatcher::postEventFromEventHandler()
 #elif defined(Q_OS_WINDOWS)
     coreFails = true;
     guiFails = true;
-#elif defined(Q_OS_LINUX)
+#elif defined(Q_OS_LINUX) || defined(Q_OS_INTEGRITY)
     // QXcbUnixEventDispatcher and QEventDispatcherUNIX do not do this correctly
     // QXcbGlibEventDispatcher and QEventDispatcherGlib do
     coreFails = !eventDispatcherName.contains("Glib");