getModel: Get or replace INSPEcT_model object within INSPEcT object
Description
Get or replace INSPEcT_model object within INSPEcT object
A method to get or set the INSPEcT_model object within an INSPEcT object. This method
is particularly useful to get and set testing parameters of the INSPEcT_model object
within the INSPEcT object.