AutoTest: Use ITestFramework * instead of its id in some cases

Change-Id: Ic327e31185247b6479c78af8bf8156f44bb4bdfb
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/autotest/itestframework.h

@@ -71,7 +71,7 @@ public:
     // framework specific tool tip to be displayed on the general settings page
     virtual QString groupingToolTip() const { return QString(); }
 protected:
-    virtual ITestParser *createTestParser() const = 0;
+    virtual ITestParser *createTestParser() = 0;
     virtual TestTreeItem *createRootNode() const = 0;
 
 private:
@@ -81,4 +81,6 @@ private:
     bool m_grouping = false;
 };
 
+using TestFrameworks = QList<ITestFramework *>;
+
 } // namespace Autotest