Tests.QmlDesigner: fix testModelBasicOperations

We have to respect the meta info. So we create a Flipable.

Change-Id: I427cce93e1cb6fea7ac1c70b0c1020234af3494d
Reviewed-by: Marco Bubke <marco.bubke@digia.com>

tests/auto/qml/qmldesigner/coretests/tst_testcore.cpp

@@ -1312,8 +1312,7 @@ void tst_TestCore::testBasicStates()
 
 void tst_TestCore::testModelBasicOperations()
 {
-    QSKIP("Fix MetaInfo", SkipAll);
-    QScopedPointer<Model> model(createModel("QtQuick.Item"));
+    QScopedPointer<Model> model(createModel("QtQuick.Flipable"));
     QVERIFY(model.data());
 
     QScopedPointer<TestView> view(new TestView(model.data()));