MAT document template
Model acceptance testing is the first witness test by the end user. It is important to start the witness testing on a positive that can set the scene for other tests.
The OTS is considered ready for the MAT when all process models are integrated and the model has gone through model acceptance readiness testing by the OTS supplier.
It is recommended not to make the MAT the first taste of the system by the end user. In Chapter 3, OTS Project Execution and Best Practices, we mentioned that every process model is built from integrating smaller process area models (PAMs). When all of these smaller pieces are integrated and tested together, then the model is ready for the MAT. These days, with virtual meetings being the norm, it is best to show the end user when every PAM is completed. This will help in identifying issues early enough in the build process and not to leave them to surprise everyone on the MAT day.
In this document, the OTS supplier should explain...