}

            @Override
            public String getRoleSearchRolePrefix() {
                return "";
            }

            @Override
            public boolean isLdapIgnoreNetbiosName() {
                return true;
            }
        });
        try {
            assertEquals("guest", permissionHelper.encode("{role}guest"));

        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public boolean isLdapIgnoreNetbiosName() {
                return true;
            }
        });

        assertEquals("", systemHelper.createSearchRole("", ""));
        assertEquals("aaa", systemHelper.createSearchRole("", "aaa"));