assertFalse(user.refresh());
    }

    @Test
    public void test_refresh_custom() {
        // Test custom implementation that returns true
        TestRefreshableFessUser user = new TestRefreshableFessUser("testuser", true);
        assertTrue(user.refresh());
        assertEquals(1, user.getRefreshCount());

        // Test multiple refreshes
        user.refresh();
        user.refresh();