public function testOpenSearchItemsPerPageWithValueToAndFromStringShouldMatch()
 {
     $this->openSearchItemsPerPage->text = "200";
     $openSearchItemsPerPageXml = $this->openSearchItemsPerPage->saveXML();
     $newOpenSearchItemsPerPage = new Extension\OpenSearchItemsPerPage();
     $newOpenSearchItemsPerPage->transferFromXML($openSearchItemsPerPageXml);
     $newOpenSearchItemsPerPageXml = $newOpenSearchItemsPerPage->saveXML();
     $this->assertTrue($openSearchItemsPerPageXml == $newOpenSearchItemsPerPageXml);
     $this->assertEquals("200", $this->openSearchItemsPerPage->text);
 }