public function testInvalidXml()
{
$string = '<?xml version="1.0" encoding="UTF-8"?>
<methodResponse>
<invalidTag></invalidTag>
</methodResponse>';
$isFault = true;
$this->setExpectedException('fXmlRpc\\Exception\\RuntimeException', 'Invalid XML. Expected one of "params", "fault", got "invalidTag" on depth 1 (context: "<invalidTag/>")');
$this->parser->parse($string);
}