tst_qglobalstatic is halted on INTEGRITY device

- Stress test creates too many threads on run time.
  Testing system is limited in 123.

Task-number: QTBUG-99123
Pick-to: 6.2 6.3
Change-Id: I215074fa432c8aa18b2a753169646841c01d0b2a
Reviewed-by: Kimmo Ollila <kimmo.ollila@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

tests/auto/corelib/global/qglobalstatic/tst_qglobalstatic.cpp

@@ -206,7 +206,13 @@ void tst_QGlobalStatic::threadStressTest()
     if (expectedConstructionCount <= 0)
         QSKIP("This test cannot be run more than once");
 
+#ifdef Q_OS_INTEGRITY
+    // OPEN_REALTIME_THREADS = 123 on current INTEGRITY environment
+    // if try to create more, app is halted
+    const int numThreads = 122;
+#else
     const int numThreads = 200;
+#endif
     ThreadStressTestThread threads[numThreads];
     QReadWriteLock lock;
     lock.lockForWrite();