public void UpdateAccounts_ShouldReturnAccounts_WhenAccountExists()
        {
            //Arrange
            _httpMessageHandlerMock
            .Protected()
            .Setup <Task <HttpResponseMessage> >("SendAsync", ItExpr.IsAny <HttpRequestMessage>(), ItExpr.IsAny <CancellationToken>())
            .Returns(Task.FromResult(new HttpResponseMessage(HttpStatusCode.OK)
            {
                StatusCode = HttpStatusCode.OK,
                Content    = new StringContent(
                    $@"{{""serverTime"":1592395836992}}")
            }))
            .Verifiable();
            _httpMessageHandlerMock
            .Protected()
            .Setup <Task <HttpResponseMessage> >("SendAsync", ItExpr.IsAny <HttpRequestMessage>(), ItExpr.IsAny <CancellationToken>())
            .Returns(Task.FromResult(new HttpResponseMessage(HttpStatusCode.OK)
            {
                StatusCode = HttpStatusCode.OK,
                Content    = new StringContent(
                    $@"{{""makerCommission"": 10,""takerCommission"": 10,""buyerCommission"": 0,""sellerCommission"": 0,
                        ""canTrade"": true,""canWithdraw"": true,""canDeposit"": true,""updateTime"": 1561284536404,""accountType"": ""MARGIN"",
                        ""balances"": [
                        {{""asset"": ""BTC"",""free"": ""0.00000000"",""locked"": ""0.00000000""}},
                        {{""asset"": ""LTC"",""free"": ""0.00000000"",""locked"": ""0.00000000""}},
                        {{""asset"": ""ETH"",""free"": ""0.00000000"",""locked"": ""0.00000000""}}],
                        ""permissions"": [""SPOT""]}}")
            }))
            .Verifiable();
            HttpClient        httpClient        = new HttpClient(_httpMessageHandlerMock.Object);
            ConnectionAdapter connectionFactory = new ConnectionAdapter(httpClient, _exchangeSettings);
            Binance           subjectUnderTest  = new Binance(connectionFactory);

            //Act
            subjectUnderTest.UpdateBinanceAccountAsync().Wait();
            Assert.IsNotNull(subjectUnderTest.BinanceAccount);
        }