Change Q_ASSERT to QVERIFY in QMenu test.

Change-Id: Ifc08d4eabd8565cfd242ec2e70cf597e92f28fe3
Task-number: QTBUG-17582
Reviewed-by: Rohan McGovern
(cherry picked from commit 291f04a4a7be4a975c6b8eaeeed4e0c196e23128)

tests/auto/qmenu/tst_qmenu.cpp

@@ -789,7 +789,7 @@ void tst_QMenu::task250673_activeMultiColumnSubMenuPosition()
     while (main.columnCount() < 2) {
         main.addAction(QString("Item %1").arg(i));
         ++i;
-        Q_ASSERT(i<1000);
+        QVERIFY(i<1000);
     }
     main.setActiveAction(menuAction);
     sub.setActiveAction(subAction);