public function setUp()
{
$pwd = dirname(__FILE__);
$pathToFixture = sprintf('%s/Fixture/OffsetDateParserFixture.xml', $pwd);
$xml = simplexml_load_file($pathToFixture);
$pathToHeaderFixture = sprintf('%s/Fixture/OffsetDateParserHeaderFixture.xml', $pwd);
$xmlHeader = simplexml_load_file($pathToHeaderFixture);
$this->parser = new OffsetDateParser();
$this->parser->setXmlField($xml);
$this->parser->setXmlHeader($xmlHeader);
}