}

    @Test
    public void test_getMessage_withEmptyString() {
        // Test constructor with empty string message
        String emptyMessage = "";
        SsoProcessException exception = new SsoProcessException(emptyMessage);

        assertEquals(emptyMessage, exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_getMessage_withWhitespaceMessage() {