Add a method for basic structural checks of a definition.
Currently it simply tests for a initial context.

Task-number: QTCREATORBUG-7053
Change-Id: I56415034b50908d6da5f66ffab7def8fdd5fa1fb
Reviewed-by: David Schulz <david.schulz@nokia.com>
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>