assertNull("for /a/c we need exact match.", responseProvider.getResponse(request2));
final HttpRequestImpl request3 = new HttpRequestImpl();
request3.method(Method.GET);
request3.path("/a/c");
request3.httpMessageHeader("Content-Type", "application/json");
request3.queryParameter("a", "1");
final HttpResponse response3 = responseProvider.getResponse(request3);
assertNotNull("We expected exact match to have worked.", response3);
assertEquals(200, response3.getHttpCode());