[test] HttpFileHandler: adapted to recent changes in API
[test] HttpFileHandler: adapted to recent changes in API

christianparpart/x0,xzero/x0,christianparpart/x0,christianparpart/x0,christianparpart/x0,xzero/x0,christianparpart/x0,christianparpart/x0,xzero/x0,xzero/x0,xzero/x0,christianparpart/x0,xzero/x0