uri.setPath("/writer");
request.setRequestURI(uri);
request.setMethod(Method.GET);
ResponseImpl responseImpl = new ResponseImpl();
handler.handle(request, responseImpl);
responseImpl.consumeBody();
assertTrue(exceptionMapperUsed);
assertEquals(ResponseStatus.SUCCESS, responseImpl.getStatus());
assertEquals(BODY, new String(responseImpl.getBodyBytes()));
String[] contentLength = responseImpl.getHeaders().get(HeaderName.CONTENT_LENGTH);