public function testManipulatedSignature() { $data = new DOMDocument(); $data->load(__DIR__ . '/_files/basic-doc-signed.xml'); $xpath = new DOMXPath($data); $xpath->registerNamespace('s', 'urn:envelope'); $xpath->query('//s:Value')->item(0)->nodeValue = 'wrong test'; $this->assertFalse($this->adapter->verify($data)); }