The prerequisites for using the SAP Fiori app Test Your Processes are: SAP Best Practices are activated in the system and connected to Test Engine on SAP Business Technology Platform; and test user has all the necessary roles to run the process. The Test Your Processes app allows you to execute automated business process testing scenarios in SAP S/4HANA Cloud using predefined test scripts or custom test scripts. You need to activate the SAP Best Practices in the system to ensure that your system configuration and data are consistent with the test scripts. You also need to connect your system to the Test Engine on SAP Business Technology Platform to enable the communication and execution of test scenarios across different applications and systems. You also need to assign the appropriate business roles and catalogs to the test user to ensure that they have the necessary authorizations and access to run the process.