PhpOffice\PhpPresentation\Tests\Writer\PowerPoint2007Test::testSave PHP Method

    public function testSave()
    {
        $filename = tempnam(sys_get_temp_dir(), 'PhpPresentation');
        $oPhpPresentation = new PhpPresentation();
        $object = new PowerPoint2007($oPhpPresentation);
        $object->save($filename);
        $this->assertTrue(file_exists($filename));
        unlink($filename);
    }