AutoTest: Do not pass pointers without owner between threads

Change-Id: I40e86716d1dd7c8a84e759e792042b84571fc2aa
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>

src/plugins/autotest/testcodeparser.h

@@ -66,7 +66,7 @@ public:
 
 signals:
     void aboutToPerformFullParse();
-    void testItemCreated(TestTreeItem *item, TestTreeModel::Type type);
+    void testParseResultReady(TestParseResult result);
     void parsingStarted();
     void parsingFinished();
     void parsingFailed();