}

    public void test_getGroups() {
        // Test with empty groups
        testUser.setGroupNames(new String[] {});
        assertNotNull(fessUserBean.getGroups());
        assertEquals(0, fessUserBean.getGroups().length);

        // Test with single group
        testUser.setGroupNames(new String[] { "developers" });
        String[] groups = fessUserBean.getGroups();
        assertEquals(1, groups.length);