ABAP Runtime Environment (BC-ABA) Test tool integrated in the ABAP runtime environment that is used for checking the functions of code sections in a program (unit tests). The individual tests are implemented as test methods of local test classes in ABAP programs. All tests in a test class all use the same fixture. Global test classes can only be used in local test classes. When defining a local test class, you can specify the properties of a test class. Tests for several ABAP programs can be grouped together into into test tasks (favorites).