/**
  * Test compatibility
  */
 public function testCompatibility()
 {
     $phpWord = new PhpWord();
     $phpWord->getCompatibility()->setOoxmlVersion(15);
     $doc = TestHelperDOCX::getDocument($phpWord);
     $file = 'word/settings.xml';
     $path = '/w:settings/w:compat/w:compatSetting';
     $this->assertTrue($doc->elementExists($path, $file));
 }