function it_should_set_response_time_to_response_header(Request $req, Response $res, ResponseHeaderBag $bag)
 {
     $res->headers = $bag;
     static::$timer->getStartMilliseconds()->willReturn(1426009224940.0);
     static::$timer->getEndMilliseconds()->willReturn(1426009226260.0);
     $bag->set('X-Response-Time', '1320ms', false)->shouldBeCalled();
     $next = function ($req) use($res) {
         return $res->getWrappedObject();
     };
     $this->handle($req, $next)->shouldReturn($res);
 }
 function it_should_set_response_time_to_response_header(Request $req, Response $res, ResponseHeaderBag $bag)
 {
     $res->headers = $bag;
     $uuid = '25769c6c-d34d-4bfe-ba98-e0ee856f3e7a';
     static::$generator->getV4Uuid()->willReturn($uuid);
     $req->merge(['request-id' => $uuid])->shouldBeCalled();
     $bag->set('Request-Id', $uuid, false)->shouldBeCalled();
     $next = function ($req) use($res) {
         return $res->getWrappedObject();
     };
     $this->handle($req, $next)->shouldReturn($res);
 }