assertTrue(toStringResult.contains(InvalidAccessTokenException.class.getName()));
        assertTrue(toStringResult.contains(message));
    }

    @Test
    public void test_variousTokenTypes() {
        // Test with various common token types
        String[] tokenTypes = { "Bearer", "JWT", "OAuth", "OAuth2", "APIKey", "Session", "Basic", "Digest", "SAML", "OpenID" };