All attributes and objects used by the test cases are managed in the Repository Infosystem. You can search for test cases by specified crieria. Choose Environment ® Repository Infosystem. You go to the Repository Infosystem initial screen. Go to the CATT test case search selection screen via Repository ® Environment ® Automatic tests ® Test cases. For a detailed description of the Repository Information System, see the ABAP Workbench: tools documentation.