assertNotNull(deserializedException.getCause());
        assertEquals(originalException.getCause().getMessage(), deserializedException.getCause().getMessage());
    }

    @Test
    public void test_getMessage() {
        // Test getMessage() method
        String message = "Custom SSO error message";
        SsoLoginException exception = new SsoLoginException(message);

        ResultOffsetExceededException exception = new ResultOffsetExceededException(unicodeMessage);

        assertEquals(unicodeMessage, exception.getMessage());
    }

    @Test
    public void test_getMessage() {
        // Test getMessage method explicitly
        String testMessage = "Testing getMessage method";
        ResultOffsetExceededException exception = new ResultOffsetExceededException(testMessage);

        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    @Test
    public void test_getMessage() {
        // Test that getMessage returns null (no message set in constructor)
        UserRoleLoginException exception = new UserRoleLoginException(RootAction.class);
        assertNull(exception.getMessage());
    }