public function testAclAddRoleTwiceByKeyReturnsFalse()
{
$this->specify('Acl\\Role added twice by key returns true', function () {
$acl = new Memory();
$aclRole = new Role('Administrators', 'Super User access');
$acl->addRole($aclRole);
$actual = $acl->addRole('Administrators');
expect($actual)->false();
});
}