Port away from deprecated QList::toSet

containments/desktop/plugins/folder/autotests/positionertest.cpp

@@ -233,7 +233,8 @@ void PositionerTest::tst_proxyMapping()
         auto ensureUnique = [](const QHash<int, int> mapping) {
             auto values = mapping.values();
             std::sort(values.begin(), values.end());
-            auto uniqueValues = values.toSet().values();
+            auto uniqueValues = values;
+            uniqueValues.erase(std::unique(uniqueValues.begin(), uniqueValues.end()), uniqueValues.end());
             std::sort(uniqueValues.begin(), uniqueValues.end());
             QVERIFY(uniqueValues == values);
         };