public function testCreateHttpResponse()
{
$response = new Response();
$response->sEcho = 1;
$response->iTotalRecords = 100;
$response->iTotalDisplayRecords = 1;
$response->aaData = [['a' => 'b', 'c' => 'd']];
$httpResponse = $response->createHttpResponse();
$this->assertEquals(200, $httpResponse->getStatusCode());
$this->assertEquals('application/json', $httpResponse->headers->get('content-type'));
$this->assertEquals('{"sEcho":1,"iTotalRecords":100,"iTotalDisplayRecords":1,"aaData":[{"a":"b","c":"d"}]}', $httpResponse->getContent());
}
