/**
  * @dataProvider getAsArrayData
  */
 public function testAsArray($xmlString, $expectedArray)
 {
     $xml = new \SimpleXMLElement($xmlString);
     $converter = new \MarkWilson\XmlToJson\XmlToJsonConverter();
     $array = $converter->asArray($xml);
     $this->assertEquals($expectedArray, $array);
 }