private function generateLimitationMock(array $properties = array())
{
$limitationMock = $this->getMockBuilder('eZ\\Publish\\API\\Repository\\Values\\User\\Limitation\\RoleLimitation')->setConstructorArgs(array($properties))->getMockForAbstractClass();
$limitationMock->expects($this->any())->method('getIdentifier')->will($this->returnValue(get_class($limitationMock)));
return $limitationMock;
}