public async void CancelOrderAsync_should_success(string jsonString, int orderId, string currencyPair, bool?isToken) { //arrange var response = TestHelper.CreateJsonResponse(jsonString); var obj = new TradeApi(TestHelper.CreateApiClientWithMockHttpAccessor(response)); //act var actual = await obj.CancelOrderAsync(orderId, currencyPair, isToken); //assert Assert.NotNull(actual); Assert.IsAssignableFrom <CancelOrderResponse>(actual); }