QGraphicsProxyWidget: make tolerance in mapToGlobal test at least 4

a61bf508e3c138c429e0a73498c745c3c0d3f0f7 reduced the tolerance from 4 to
3 in one case, making the test more rather than less flaky on systems
with a device-pixel-ratio of 1.

Pick-to: 6.4 6.3 6.2
Change-Id: I245443f0dcb1aa40176c127025501b63f12f161b
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/auto/widgets/graphicsview/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp b/tests/auto/widgets/graphicsview/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp
index 69ecee59e1..a73a736e5b 100644
--- a/tests/auto/widgets/graphicsview/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp
+++ b/tests/auto/widgets/graphicsview/qgraphicsproxywidget/tst_qgraphicsproxywidget.cpp
@@ -3531,7 +3531,7 @@ void tst_QGraphicsProxyWidget::mapToGlobal() // QTBUG-41135
     QCOMPARE(embeddedWidget->mapFromGlobal(embeddedCenterGlobal), embeddedCenter);
     // This should be equivalent to the view center give or take rounding
     // errors due to odd window margins
-    const int Tolerance = qCeil(3 * view.devicePixelRatio());
+    const int Tolerance = qCeil(4 * view.devicePixelRatio());
     const QPoint viewCenter = view.geometry().center();
     QVERIFY2((viewCenter - embeddedCenterGlobal).manhattanLength() <= Tolerance,
              msgPointMismatch(embeddedCenterGlobal, viewCenter).constData());