QmlDesigner.NodeInstances: Fix application path for tests

Change-Id: I354fa0127732ac83a6cf33c9f19ff29897db8df4
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@nokia.com>

src/plugins/qmldesigner/designercore/instances/nodeinstanceserverproxy.cpp

@@ -112,7 +112,9 @@ NodeInstanceServerProxy::NodeInstanceServerProxy(NodeInstanceView *nodeInstanceV
 
    QString applicationPath =  pathToQt + QLatin1String("/bin");
    if (runModus == TestModus) {
-       applicationPath = QCoreApplication::applicationDirPath() + QLatin1String("/../../../../../bin");
+       applicationPath = QCoreApplication::applicationDirPath()
+               + QLatin1String("/../../../../../bin/")
+               + qmlPuppetApplicationName();
    } else {
        applicationPath = macOSBundlePath(applicationPath);
        applicationPath += QLatin1Char('/') + qmlPuppetApplicationName();