assertEquals(level3, topLevel.getCause().getCause().getCause());
        assertEquals("Level 3: Database connection failed", topLevel.getCause().getCause().getCause().getMessage());
    }

    public void test_stackTrace_isPresent() {
        // Test that stack trace is properly captured
        SsoProcessException exception = new SsoProcessException("Test stack trace");

        StackTraceElement[] stackTrace = exception.getStackTrace();