public async Task TestTestListCalls() { // Parameters for the API call int? page = null; int? pageSize = null; string to = null; string mfrom = null; string dateCreated = null; // Perform API call string result = null; try { result = await controller.CreateListCallsAsync(page, pageSize, to, mfrom, dateCreated); } catch (APIException) {}; // Test response code Assert.AreEqual(200, httpCallBackHandler.Response.StatusCode, "Status should be 200"); // Test headers Dictionary <string, string> headers = new Dictionary <string, string>(); headers.Add("Content-Type", "application/json"); Assert.IsTrue(TestHelper.AreHeadersProperSubsetOf( headers, httpCallBackHandler.Response.Headers), "Headers should match"); }