eZ\Publish\Core\REST\Server\Tests\Output\ValueObjectVisitor\ExceptionTest::testResultContainsPreviousError PHP Method

    public function testResultContainsPreviousError($result)
    {
        $dom = new \DOMDocument();
        $dom->loadXml($result);
        $this->assertXPath($dom, '/ErrorMessage/Previous[@media-type="application/vnd.ez.api.ErrorMessage+xml"]');
    }