Each SAP S/4 HANA implementation project team member or support team member conducts the tests. On a daily basis, each specialist runs numerous test cases. Whenever it is testing during official test phases or replicating the issue that the end user encountered, there is a need to access the system with the user that has the respective business roles. As Fiori Tracker holds the repository of all business roles it is also the best place to keep the link of the roles to the test users.
This simple view that is available in 2 clicks saves a lot of time as SAP team members get the correct uses in seconds.