user = new TestFessUser("testuser", new String[] {}, new String[] {}, permissions);
        assertArrayEquals(permissions, user.getPermissions());
    }

    @Test
    public void test_isEditable_default() {
        // Test default implementation returns false
        FessUser user = new TestFessUser("testuser", new String[] {}, new String[] {}, new String[] {});
        assertFalse(user.isEditable());