systemHelper.init();
        systemHelper.addShutdownHook(() -> {});
        ComponentUtil.register(systemHelper, "systemHelper");
    }

    @Test
    public void test_getUsername() {
        assertEquals("guest", systemHelper.getUsername());
    }

    @Test
    public void test_getCurrentTimeAsLocalDateTime() {
        final long current =

                logger.warn("Failed to process shutdown task.", e);
            }
        });
    }

    /**
     * Gets the username of the current user.
     *
     * @return The username, or "guest" if not logged in.
     */
    public String getUsername() {
        return getRequestManager().findUserBean(FessUserBean.class).map(FessUserBean::getUserId).orElse(Constants.GUEST_USER);
    }

    /**