AutoTest: Fix flaky unit test

Since parsing and updating the tree model has been changed the
respective tests became flaky.

Change-Id: I82fcde51493bc86e2315018b21e9bacd8e8409a9
Reviewed-by: David Schulz <david.schulz@theqtcompany.com>

src/plugins/autotest/testcodeparser.h

@@ -63,6 +63,10 @@ public:
     void setState(State state);
     State state() const { return m_parserState; }
     void setDirty() { m_dirty = true; }
+#ifdef WITH_TESTS
+    bool furtherParsingExpected() const
+    { return m_singleShotScheduled || m_fullUpdatePostponed || m_partialUpdatePostponed; }
+#endif
 
 signals:
     void aboutToPerformFullParse();