protected function getUrlAliasGatewayMock()
{
if (!isset($this->urlAliasGatewayMock)) {
$this->urlAliasGatewayMock = $this->getMockForAbstractClass('eZ\\Publish\\Core\\Persistence\\Legacy\\Content\\UrlAlias\\Gateway');
}
return $this->urlAliasGatewayMock;
}