move license check to a function

Change-Id: Idcb2c328f3313dac38997765c2569d6861d34a20
Reviewed-by: Christian Stenger <christian.stenger@theqtcompany.com>

plugins/autotest/autotestplugin.h

@@ -49,6 +49,7 @@ private slots:
     void triggerAction();
 
 private:
+    bool checkLicense();
     const QSharedPointer<TestSettings> m_settings;
 };