}

@RunWith(Suite.class)
@Suite.SuiteClasses([ATestClass.class, BTestClass.class])
public class ATestSuite {
}

@RunWith(Suite.class)
@Suite.SuiteClasses([])
public class AnEmptyTestSuite {
}

public class CustomSuiteRunner extends Suite {
    public CustomSuiteRunner(Class<?> klass, RunnerBuilder builder) {
        super(builder, klass, ATestClass.class, BTestClass.class)
    }
}