public function addParamsAssociativeAray()
{
$u = new URL('http://example.com/ajax?load=getXML');
$u->addParams(['data' => ['projectName' => 'project', 'langCode' => 'en']]);
$this->assertEquals('load=getXML&data[projectName]=project&data[langCode]=en', $u->getQuery());
}
