SAML2\XML\mdrpi\PublicationInfoTest::testMissingPublisherThrowsException PHP Метод

    public function testMissingPublisherThrowsException()
    {
        $document = DOMDocumentFactory::fromString(<<<XML
<mdrpi:PublicationInfo xmlns:mdrpi="urn:oasis:names:tc:SAML:metadata:rpi"
                       creationInstant="2011-01-01T00:00:00Z"
                       publicationId="SomePublicationId">
</mdrpi:PublicationInfo>
XML
);
        $this->setExpectedException('Exception', 'Missing required attribute "publisher"');
        $publicationInfo = new PublicationInfo($document->firstChild);
    }