PhpOffice\PhpPresentation\Tests\Writer\PowerPoint2007\SlideTest::testCommentRelationship PHP Method

    public function testCommentRelationship()
    {
        $oPhpPresentation = new PhpPresentation();
        $oSlide = $oPhpPresentation->getActiveSlide();
        $oSlide->addShape(new Comment());
        $pres = TestHelperDOCX::getDocument($oPhpPresentation, 'PowerPoint2007');
        $this->assertTrue($pres->elementExists('/Relationships/Relationship[@Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/comments"]', 'ppt/slides/_rels/slide1.xml.rels'));
    }