AutoTest: Fix initial parse when loading session

Avoid displaying tests from other projects of the same session
which have been indexed but do not belong to the current
startup project.

Change-Id: I6e0fb62cc97898ef3853ec61580dd2deb5ac64e5
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/autotest/testcodeparser.h

@@ -82,6 +82,7 @@ private:
     bool postponed(const QStringList &fileList);
     void scanForTests(const QStringList &fileList = QStringList());
 
+    void onDocumentUpdated(const QString &fileName);
     void onTaskStarted(Core::Id type);
     void onAllTasksFinished(Core::Id type);
     void onFinished();