diff --git a/src/corelib/kernel/qtestsupport_core.h b/src/corelib/kernel/qtestsupport_core.h
index c8b664b6d3..c8209b5ae4 100644
--- a/src/corelib/kernel/qtestsupport_core.h
+++ b/src/corelib/kernel/qtestsupport_core.h
@@ -67,7 +67,13 @@ Q_REQUIRED_RESULT static bool qWaitFor(Functor predicate, int timeout = 5000)
     QDeadlineTimer deadline(remaining, Qt::PreciseTimer);
 
     do {
-        QCoreApplication::processEvents(QEventLoop::AllEvents, remaining);
+        // We explicitly do not pass the remaining time to processEvents, as
+        // that would keep spinning processEvents for the whole duration if
+        // new events were posted as part of processing events, and we need
+        // to return back to this function to check the predicate between
+        // each pass of processEvents. Our own timer will take care of the
+        // timeout.
+        QCoreApplication::processEvents(QEventLoop::AllEvents);
         QCoreApplication::sendPostedEvents(nullptr, QEvent::DeferredDelete);
 
         remaining = deadline.remainingTime();
diff --git a/tests/auto/opengl/qgl/tst_qgl.cpp b/tests/auto/opengl/qgl/tst_qgl.cpp
index 7666bf81e4..053c4b026b 100644
--- a/tests/auto/opengl/qgl/tst_qgl.cpp
+++ b/tests/auto/opengl/qgl/tst_qgl.cpp
@@ -924,6 +924,7 @@ void tst_QGL::partialGLWidgetUpdates()
     widget.setAutoFillBackground(autoFillBackground);
     widget.show();
     QVERIFY(QTest::qWaitForWindowExposed(&widget));
+    QCoreApplication::processEvents(); // Process all queued paint events
 
     if (widget.format().doubleBuffer() != doubleBufferedContext)
         QSKIP("Platform does not support requested format");
diff --git a/tests/auto/widgets/dialogs/qfiledialog2/tst_qfiledialog2.cpp b/tests/auto/widgets/dialogs/qfiledialog2/tst_qfiledialog2.cpp
index 8f9a8c11a7..24ce598279 100644
--- a/tests/auto/widgets/dialogs/qfiledialog2/tst_qfiledialog2.cpp
+++ b/tests/auto/widgets/dialogs/qfiledialog2/tst_qfiledialog2.cpp
@@ -601,6 +601,11 @@ void tst_QFileDialog2::task227930_correctNavigationKeyboardBehavior()
     fd.setDirectory(current.absolutePath());
     fd.show();
     QVERIFY(QTest::qWaitForWindowActive(&fd));
+
+    // Ensure LayoutRequest event is processed so that the list view
+    // is sorted correctly to have the directory entires at the top.
+    QCoreApplication::processEvents();
+
     QListView *list = fd.findChild<QListView*>("listView");
     QVERIFY(list);
     QTest::keyClick(list, Qt::Key_Down);
diff --git a/tests/auto/widgets/effects/qgraphicseffect/tst_qgraphicseffect.cpp b/tests/auto/widgets/effects/qgraphicseffect/tst_qgraphicseffect.cpp
index 95662a49a0..c4b6e22c37 100644
--- a/tests/auto/widgets/effects/qgraphicseffect/tst_qgraphicseffect.cpp
+++ b/tests/auto/widgets/effects/qgraphicseffect/tst_qgraphicseffect.cpp
@@ -313,6 +313,7 @@ void tst_QGraphicsEffect::draw()
     view.show();
     QVERIFY(QTest::qWaitForWindowActive(&view));
     QTRY_VERIFY(item->numRepaints > 0);
+    QCoreApplication::processEvents(); // Process all queued paint events
     item->reset();
 
     // Make sure installing the effect triggers a repaint.
diff --git a/tests/auto/widgets/graphicsview/qgraphicseffectsource/tst_qgraphicseffectsource.cpp b/tests/auto/widgets/graphicsview/qgraphicseffectsource/tst_qgraphicseffectsource.cpp
index e7d26622c9..973a73a4a9 100644
--- a/tests/auto/widgets/graphicsview/qgraphicseffectsource/tst_qgraphicseffectsource.cpp
+++ b/tests/auto/widgets/graphicsview/qgraphicseffectsource/tst_qgraphicseffectsource.cpp
@@ -183,6 +183,7 @@ void tst_QGraphicsEffectSource::init()
     effect->storeDeviceDependentStuff = false;
     effect->doNothingInDraw = false;
     item->reset();
+    QCoreApplication::processEvents(); // Process all queued paint events
 }
 
 void tst_QGraphicsEffectSource::graphicsItem()
diff --git a/tests/auto/widgets/graphicsview/qgraphicsitem/tst_qgraphicsitem.cpp b/tests/auto/widgets/graphicsview/qgraphicsitem/tst_qgraphicsitem.cpp
index bd08461544..5f269bd520 100644
--- a/tests/auto/widgets/graphicsview/qgraphicsitem/tst_qgraphicsitem.cpp
+++ b/tests/auto/widgets/graphicsview/qgraphicsitem/tst_qgraphicsitem.cpp
@@ -3231,6 +3231,7 @@ void tst_QGraphicsItem::hoverEventsGenerateRepaints()
     view.show();
     QVERIFY(QTest::qWaitForWindowExposed(&view));
     QVERIFY(QTest::qWaitForWindowActive(&view));
+    QCoreApplication::processEvents(); // Process all queued paint events
 
     EventTester *tester = new EventTester;
     scene.addItem(tester);
@@ -5074,13 +5075,11 @@ void tst_QGraphicsItem::paint()
     QGraphicsView view2(&scene2);
     view2.show();
     QVERIFY(QTest::qWaitForWindowExposed(&view2));
+    QCoreApplication::processEvents(); // Process all queued paint events
 
     PaintTester tester2;
     scene2.addItem(&tester2);
 
-#ifdef Q_OS_WINRT
-    QEXPECT_FAIL("", "Fails on WinRT. Figure out why - QTBUG-68297", Abort);
-#endif
     //First show one paint
     QTRY_COMPARE(tester2.painted, 1);
 
@@ -6534,11 +6533,9 @@ void tst_QGraphicsItem::ensureUpdateOnTextItem()
     QGraphicsView view(&scene);
     view.show();
     QVERIFY(QTest::qWaitForWindowExposed(&view));
+    QCoreApplication::processEvents(); // Process all queued paint events
     TextItem *text1 = new TextItem(QLatin1String("123"));
     scene.addItem(text1);
-#ifdef Q_OS_WINRT
-    QEXPECT_FAIL("", "Fails on WinRT. Figure out why - QTBUG-68297", Abort);
-#endif
     QTRY_COMPARE(text1->updates,1);
 
     //same bouding rect but we have to update
@@ -6810,6 +6807,7 @@ void tst_QGraphicsItem::opacity2()
     view.show();
     QVERIFY(QTest::qWaitForWindowExposed(&view));
     QVERIFY(QTest::qWaitForWindowActive(&view));
+    QCoreApplication::processEvents(); // Process all queued paint events
     QTRY_VERIFY(view.repaints >= 1);
 
 #define RESET_REPAINT_COUNTERS \
@@ -6883,6 +6881,7 @@ void tst_QGraphicsItem::opacityZeroUpdates()
     view.show();
     QVERIFY(QTest::qWaitForWindowExposed(&view));
     QVERIFY(QTest::qWaitForWindowActive(&view));
+    QCoreApplication::processEvents(); // Process all queued paint events
     QTRY_VERIFY(view.repaints > 0);
 
     view.reset();
@@ -7275,6 +7274,7 @@ void tst_QGraphicsItem::cacheMode()
     QApplication::setActiveWindow(&view);
     QVERIFY(QTest::qWaitForWindowExposed(&view));
     QVERIFY(QTest::qWaitForWindowActive(&view));
+    QCoreApplication::processEvents(); // Process all queued paint events
 
     EventTester *tester = new EventTester;
     EventTester *testerChild = new EventTester;
@@ -7454,6 +7454,7 @@ void tst_QGraphicsItem::cacheMode2()
     QApplication::setActiveWindow(&view);
     QVERIFY(QTest::qWaitForWindowExposed(&view));
     QVERIFY(QTest::qWaitForWindowActive(&view));
+    QCoreApplication::processEvents(); // Process all queued paint events
 
     EventTester *tester = new EventTester;
     scene.addItem(tester);
@@ -7944,6 +7945,7 @@ void tst_QGraphicsItem::itemUsesExtendedStyleOption()
     rect->startTrack = false;
     topLevel.show();
     QVERIFY(QTest::qWaitForWindowExposed(&topLevel));
+    QCoreApplication::processEvents(); // Process all queued paint events
     QTRY_VERIFY(rect->repaints > 0);
     rect->repaints = 0;
     rect->startTrack = true;
@@ -8030,6 +8032,7 @@ void tst_QGraphicsItem::moveItem()
     MyGraphicsView view(&scene);
     view.show();
     QVERIFY(QTest::qWaitForWindowExposed(&view));
+    QCoreApplication::processEvents(); // Process all queued paint events
 
     EventTester *parent = new EventTester;
     EventTester *child = new EventTester(parent);
@@ -8108,6 +8111,7 @@ void tst_QGraphicsItem::moveLineItem()
     view.show();
     QVERIFY(QTest::qWaitForWindowExposed(&view));
     QVERIFY(QTest::qWaitForWindowActive(&view));
+    QCoreApplication::processEvents(); // Process all queued paint events
     view.reset();
 
     QRectF brect = item->boundingRect();
@@ -8288,6 +8292,7 @@ void tst_QGraphicsItem::hitTestGraphicsEffectItem()
     toplevel.resize(300, 300);
     toplevel.show();
     QVERIFY(QTest::qWaitForWindowExposed(&toplevel));
+    QCoreApplication::processEvents(); // Process all queued paint events
 
     // Confuse the BSP with dummy items.
     QGraphicsRectItem *dummy = new QGraphicsRectItem(0, 0, 20, 20);
@@ -11266,6 +11271,7 @@ void tst_QGraphicsItem::QTBUG_6738_missingUpdateWithSetParent()
     qApp->setActiveWindow(&view);
     QVERIFY(QTest::qWaitForWindowExposed(&view));
     QVERIFY(QTest::qWaitForWindowActive(&view));
+    QCoreApplication::processEvents(); // Process all queued paint events
     QTRY_VERIFY(view.repaints > 0);
 
     // test case #1
@@ -11315,6 +11321,7 @@ void tst_QGraphicsItem::QT_2653_fullUpdateDiscardingOpacityUpdate()
     view.show();
     QVERIFY(QTest::qWaitForWindowExposed(&view));
     QVERIFY(QTest::qWaitForWindowActive(&view));
+    QCoreApplication::processEvents(); // Process all queued paint events
     view.reset();
 
     parentGreen->setOpacity(1.0);
@@ -11348,6 +11355,8 @@ void tst_QGraphicsItem::QTBUG_7714_fullUpdateDiscardingOpacityUpdate2()
 
     origView.show();
     QVERIFY(QTest::qWaitForWindowActive(&origView));
+    QCoreApplication::processEvents(); // Process all queued paint events
+
     origView.setGeometry(origView.x() + origView.width() + 20, origView.y() + 20,
                          origView.width(), origView.height());
 
@@ -11356,9 +11365,6 @@ void tst_QGraphicsItem::QTBUG_7714_fullUpdateDiscardingOpacityUpdate2()
     origView.reset();
     childYellow->setOpacity(0.0);
 
-#ifdef Q_OS_WINRT
-    QEXPECT_FAIL("", "Fails on WinRT. Figure out why - QTBUG-68297", Abort);
-#endif
     QTRY_COMPARE(origView.repaints, 1);
 
     view.show();
@@ -11370,6 +11376,10 @@ void tst_QGraphicsItem::QTBUG_7714_fullUpdateDiscardingOpacityUpdate2()
 
     childYellow->setOpacity(1.0);
 
+#ifdef Q_OS_WINRT
+    QEXPECT_FAIL("", "Fails on WinRT. Figure out why - QTBUG-68297", Abort);
+#endif
+
     QTRY_COMPARE(origView.repaints, 1);
     QTRY_COMPARE(view.repaints, 1);
 }
@@ -11505,6 +11515,7 @@ void tst_QGraphicsItem::doNotMarkFullUpdateIfNotInScene()
     view.show();
     QVERIFY(QTest::qWaitForWindowExposed(view.windowHandle()));
     QVERIFY(QTest::qWaitForWindowActive(view.windowHandle()));
+    QCoreApplication::processEvents(); // Process all queued paint events
     view.activateWindow();
     QTRY_VERIFY(view.isActiveWindow());
     QTRY_VERIFY(view.repaints >= 1);
diff --git a/tests/auto/widgets/graphicsview/qgraphicsscene/tst_qgraphicsscene.cpp b/tests/auto/widgets/graphicsview/qgraphicsscene/tst_qgraphicsscene.cpp
index 838b1f4be6..48488abfb8 100644
--- a/tests/auto/widgets/graphicsview/qgraphicsscene/tst_qgraphicsscene.cpp
+++ b/tests/auto/widgets/graphicsview/qgraphicsscene/tst_qgraphicsscene.cpp
@@ -4318,6 +4318,7 @@ void tst_QGraphicsScene::removeFullyTransparentItem()
     view.show();
     qApp->setActiveWindow(&view);
     QVERIFY(QTest::qWaitForWindowActive(&view));
+    QCoreApplication::processEvents(); // Process all queued paint events
 
     // NB! The parent has the ItemHasNoContents flag set, which means
     // the parent itself doesn't generate any update requests, only the
diff --git a/tests/auto/widgets/graphicsview/qgraphicsview/tst_qgraphicsview.cpp b/tests/auto/widgets/graphicsview/qgraphicsview/tst_qgraphicsview.cpp
index 3dc110298a..55139ff99a 100644
--- a/tests/auto/widgets/graphicsview/qgraphicsview/tst_qgraphicsview.cpp
+++ b/tests/auto/widgets/graphicsview/qgraphicsview/tst_qgraphicsview.cpp
@@ -1650,6 +1650,7 @@ void tst_QGraphicsView::itemsInRect_cosmeticAdjust()
     QVERIFY(QTest::qWaitForWindowActive(&view));
     QTRY_VERIFY(rect->numPaints > 0);
 
+    QCoreApplication::processEvents(); // Process all queued paint events
     rect->numPaints = 0;
     if (updateRect.isNull())
         view.viewport()->update();
diff --git a/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp b/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp
index 8c93df9073..adb2c54751 100644
--- a/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp
+++ b/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp
@@ -3368,6 +3368,7 @@ void tst_QTreeWidget::setChildIndicatorPolicy()
     treeWidget.setItemDelegate(&delegate);
     treeWidget.show();
     QVERIFY(QTest::qWaitForWindowExposed(&treeWidget));
+    QCoreApplication::processEvents(); // Process all queued paint events
 
     QTreeWidgetItem *item = new QTreeWidgetItem(QStringList("Hello"));
     treeWidget.insertTopLevelItem(0, item);