To get the model under unit tests we have to break every depenedency to
code outside of the unit test scope.
Change-Id: Ib613c3308e48990c55b2ed0cd42bc4b0e1041a01
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
