}

    @Test
    void testHandleExceptionSelfReferencing() {
        RuntimeException boom3 = new RuntimeException("BOOM3");
        RuntimeException boom2 = new RuntimeException("BOOM2", boom3);
        RuntimeException boom1 = new RuntimeException("BOOM1", boom2);
        boom3.initCause(boom1);

        DefaultExceptionHandler handler = new DefaultExceptionHandler();