assertFalse(result.isPresent());
        } catch (Exception e) {
            // Expected in test environment
            assertTrue(true);
        }
    }

    @Test
    public void test_getUserInfo_nullUserCode() {
        try {
            var result = searchLogHelper.getUserInfo(null);
            assertFalse(result.isPresent());
        } catch (Exception e) {
            // Expected in test environment