public function testUsersList()
    {
        // récuperation de la liste des users
        $list = jAcl2DbUserGroup::getUsersList($this->defaultGroupId)->fetchAll();
        $verif = '<array>
    <object>
        <string property="id_aclgrp" value="' . $this->defaultGroupId . '" />
        <string property="login" value="max" />
    </object>
    <object>
        <string property="id_aclgrp" value="' . $this->defaultGroupId . '" />
        <string property="login" value="robert" />
    </object>
</array>';
        $this->assertComplexIdenticalStr($list, $verif);
    }